$$0,1,1,1,1,2,1,1,1,2,1,2,1,2,2,1,1,2,1,2,2,2,1,2,1,2,1,2,1,\cdots$$
Wolfram alpha says that it is the number of distinct primes in n. Does it have another closed form? (This is from an introductory book on fourier series)
$$0,1,1,1,1,2,1,1,1,2,1,2,1,2,2,1,1,2,1,2,2,2,1,2,1,2,1,2,1,\cdots$$
Wolfram alpha says that it is the number of distinct primes in n. Does it have another closed form? (This is from an introductory book on fourier series)