Test the following sequences using to see if they are graphical or not: (if they are graphical draw an exemplar graph having that valency sequence)
Find all graphs with valency sequence $(4, 2, 2, 2, 1, 1)$
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graph-theory
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1The title and the question don’t agree; are you interested in finding **one** such graph, or in finding **all** of them? – 2012-05-31
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0What following sequences? Can you do something so the title and the body agree, and make sense? – 2012-05-31
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5Perhaps you should start by considering the vertex of degree 4. Draw it and the 4 neighbors. What can you do next? – 2012-05-31