Here is a table of the 331 first zeros for numerical evaluation (warning: values could be missing...)
6.0209489046975966549025115255, 10.243770304166554552137757473, 12.988098012312422507453109785, 16.342607104587222194976861486, 18.291993196123534838526004279, 21.450611343983460497200948384, 23.278376520459531531819558882, 25.728756425088727567265088675, 28.359634343025327785651607948, 29.656384014593152721809906963, 32.592186527117155130815194045, 34.199957509213146913044795479, 36.142880458303137830565814472, 38.511923141718691293776504680, 40.322674066690544180344394367, 41.807084620004562337157521896, 44.617891058662303393482045721, 45.599584396791566745937702295, 47.741562280939141250781347344, 49.723129323782586066569570883, 51.686093452870528439533811111, 52.768820767804729265035076579, 55.267543584699224846718259652, 56.934374055202296886801711960, 58.116707110673917977262367546, 60.421713949007834673018618295, 62.008632285767769451930615509, 63.714641118785433123518297959, 64.976170573095999348605924739, 67.636920863546068398054991150, 68.365884503834422961233738148, 70.185879908802112061371282120, 72.155484974381881214691542592, 73.767635521485893336154626169, 75.143121647433111405798000424, 76.696303203430199064566659967, 78.809998314320913003691783203, 80.210131238366638915148032664, 81.213951626883151157734833354, 83.666656014470571651283310367, 84.731740363781628608217577601, 86.577660168390264410210548722, 87.629718119587899689039432381, 89.801131616695811325969388292, 91.349703814697573473931013977, 92.237499910454258046004175773, 94.166619585960021307053060933, 96.136011161780558185274479276, 96.961741579417483577607743327, 98.755300415754527668603973554, 100.13488670306768529019231904, 102.14138082688961382675997843, 103.28807538167900270159333920, 104.33326984426745450495085217, 106.69445890889584172960040021, 107.69020697514670020812946699, 110.49960817642909478048490816, 112.36781674401217995716661013, 113.81479554899267353956309211, 116.19320465846121898963013972, 118.53755437884686165780011347, 119.45298987620909035824186237, 120.73129361866037693368487739, 122.44746137906871191967947661, 123.79454876031950609879380618, 125.76851955991559376249639951, 126.29877602494140909790014712, 127.95940768306329938305588877, 129.88562335864546932623503678, 131.09357875408399607523436803, 132.14357660098782788050132120, 133.74418146397481319142376707, 135.49083725255700224755404510, 136.54731226728255838933127345, 138.45729450969625766509038076, 138.75017770461144012954768949, 141.25363250975178412806669861, 142.39441752219778229834700120, 143.32906274161773201159359077, 144.97816627771136218178674826, 146.52200528490833848995838351, 147.93453081218091703481025120, 150.29635900154312145801640888, 151.96198767048369072791846343, 153.69961262351526052550597524, 154.57549142871991733629296692, 155.65024866324343586811534637, 157.74830530790292831907457397, 158.70502112552935112493067703, 160.23648409677104233377768408, 161.40714697615670734528135116, 162.56604668959903962627418377, 164.73116461657689691990755216, 165.40141928586315409461482322, 166.75387916910842711467929232, 168.04442078170974462074284599, 170.05113118752669021484810142, 170.73476699457880545645576325, 172.28048177162133811838196765, 173.44297883613501571697079678, 174.91508808540057340441548453, 176.59730214191806744299558376, 177.70121257457377580802426815, 178.36237490898565560941206095, 180.56931038528553139779449794, 181.61491373170438998090812364, 182.91676832896896722720668364, 184.11503237536838876567103733, 185.37399660770047491721481058, 187.06876059069440954145591925, 188.27137433227075068590376587, 189.49173149212854251358185449, 190.37118761075577274333641876, 192.36113787605631840741605201, 193.79707292614668099455436082, 194.23188322936089922195285019, 196.13200565468428482335296831, 197.11344622157640853776338155, 198.80647573614690671134916226, 200.16203942869863020720223578, 200.90161787076887940260335396, 202.26057799593173083976534604, 204.22107078015820641522076416, 204.99200345509828370916637889, 206.41191104761124331431101684, 207.31737748188785830627423332, 209.22775249264801305239596646, 210.10318551739854017072638068, 211.83341182042389919211672672, 212.53760753721342419767373639, 213.76184210127810212713458895, 215.79381838201559960577042888, 216.70341526620296547634366018, 217.58193141803801709611175843, 220.40562171063697515795993634, 221.92854850725447804914936995, 223.00310318062916135528239779, 224.12223848794683215004758755, 225.29326147520535806546186025, 226.98818848837537471961421291, 228.40550629743637922559802583, 228.95902363267523675101910098, 230.33013057780480230594069311, 232.10048174706901195203683135, 233.04806374529880402510570392, 234.35178770183278559126691643, 235.83621877114146878871598106, 236.24156049447563754765718358, 238.53711304998262144198336571, 239.33848813561967049191160837, 240.62671116939306732194741836, 241.47792092821119586131445270, 243.22893117973858440259094571, 244.51316858358815891067982334, 245.56488138011395915721891054, 246.72405853472513520671442287, 247.99511858273842666345737680, 249.18450896488545637926359681, 251.08656315045619512213120503, 251.63691583961430554302515677, 252.62344577966837570410866022, 254.31443735012273900901544828, 255.83791804974205189835948383, 256.50458494734840573390589089, 258.16526285035121855236577743, 258.83447052352496550977190962, 260.43047213492557515755933298, 261.91361498764980573464503310, 262.88361734246063150509166818, 264.05425788812825390396163665, 264.93285914122008364534327761, 267.00065119971523220684196260, 267.80144698460232962989982417, 268.78330606204792631747966001, 270.27808716748190417041357469, 271.25498369444883796265227849, 272.75587860169341823184636255, 274.17145831251909085018642460, 275.03310123658021403265232025, 275.85894601108307686333373631, 277.77232263831925417841397013, 278.80368388728653858809887697, 280.15714487097460512335476030, 280.79310694940911465165921265, 282.37964046356129969375983170, 283.60454343388307793996827161, 284.92559582341671675890997136, 286.08023330771695304124563007, 287.14942464824185193072788536, 287.97847626332132927976356976, 290.25214699517454327999080838, 290.67729632326071525164544826, 291.83202458884475548513071512, 293.20243417747287711021312313, 294.32726845145976737666041017, 295.80347082471925776988952183, 296.90066613885493288162667737, 298.07887411489226009930190937, 298.87032030707756002676910778, 300.43445985053453461820420384, 301.91984252859711814323532054, 302.91793758311719513681600129, 303.66111804033389116484131301, 305.06520886541900440815050046, 306.79513396371212102425959963, 307.28608493671484668789621993, 309.12248303042252096412050493, 309.73990761397483015859790586, 310.82367496094542226066492277, 312.55636686756100688064634699, 313.87794245506793787784240517, 314.43316516928890292103837772, 315.73498612492696188725190719, 317.01231804223259726515461799, 318.45621725635502024358202211, 319.57969129703539985620862417, 320.40630364449298983627652971, 322.00196780449032992290146609, 322.53911742379191664486892560, 324.51844467372429468247621743, 325.47478404410633875373192686, 326.45854121986539504473910264, 327.25993176651157705164654818, 329.20009793757918038019912741, 330.03604959034586362558252897, 331.21140289958185800530565896, 332.57294652823343974554556525, 333.18150832869444693922851618, 334.76869989467941751441968305, 336.15271755443328443350210094, 337.13966305477713627524956702, 338.22628268603666690396333911, 339.01125261519977890816451524, 340.84195235235292162066710614, 342.02615318336469741374106741, 342.68585823735877067928271577, 344.0836661565686862627004762, 345.2097753413459573044110626, 346.2627604671016941476647978, 347.9246481143632697374566129, 348.9817983885468120149499228, 349.4343424566002814630006007, 350.9772131093086171005228543, 352.3917682431248441639303136, 353.6933333256829546124685137, 354.3017377414641314355505898, 355.7444402625970306431358347, 356.6276472137673985753141096, 358.2882750929424366211009481, 359.0964611926055643566214138, 360.7110410245589243479893582, 361.1974930362084806074524790, 362.2769688931667497705396854, 364.4197244318352155945317356, 364.8037360921119966497987857, 366.0496895182690012543463580, 367.1255349350747462262053663, 368.4338148898077761672916077, 369.5016933318964405363710183, 371.0690160905648737699591025, 371.7700959151502466275535791, 372.8848608865911226393246899, 373.9348689154616523799502265, 375.5468747270075926960247017, 376.6839009379746539367477905, 377.5592232741848044307652399, 378.3869290457616630146695094, 380.0570731823139939966249588, 381.0486701230352553532850229, 382.2397664190157338254422377, 383.4850923542027975470084695, 384.3728456816805919723012968, 385.2152276718100110520672671, 387.1492092876308094595627758, 388.0821424777153497850755292, 388.7777179618526297788291030, 390.1691126288973758248577388, 391.0819257199607056364820762, 392.8517629133617494151722895, 393.4434077110107140920915261, 394.8199970917935633992004384, 395.8046096034178296276558608, 396.7344554225485063080197069, 398.2504159767379466957124019, 399.5655109221428371501170699, 400.6928757687115794343838349, 400.8264309422547318135722239, 402.8183184588996972949913858, 403.9074050434836080884771320, 404.9455862206118613759957847, 406.1612477978882182837592234, 407.1450155618871805968322187, 408.0395266729539842871170633, 409.5882131208357647653279288, 410.8716628634833972562447402, 411.6605714508530686255969330, 412.7311469575827245352595916, 413.6692853952956581370774306, 415.4292958729206053433345755, 416.3705912266159986762147974, 417.1292702136133141970538904, 418.5574767268274943568745235, 419.4874594223070529595380503, 420.5289538979833121243014068, 422.5103730295799395812912385, 422.6872546051342268536572665, 424.0668954927375279116779846, 424.8233888200049631864585039, 426.7324170086494599710725394, 427.3840178113418017106211713, 428.6981079540674684462150564, 429.5893859724852216637696316, 430.6175578358959205969367714, 432.0607725159701751635973864, 433.0374431195775491061980546, 434.4393523989532303725779273, 435.3481541603433508857855094, 435.9041636774496664998333698, 437.5822193991931840771232678, 439.1581082551973744286998591, 439.5375694451764723240134399, 440.6772278998545002559418857, 442.1697399171824047073380865, 442.7770442912218304593990887, 444.4382905078887461488730008, 445.4637391684133745717113130, 446.4483316219370803911040887, 447.3020089048109206937709813, 448.5069310886578395843178830, 450.0566203069175123775802095, 451.0707759054247023168568904