Number of 2-generated groups of order n: groups that have a generating set of size <=2, i.e. are cyclic or of the form .
1, 1, 1, 2, 1, 2, 1, 4, 2, 2, 1, 5, 1, 2, 1, 9, 1, 4, 1, 5, 2, 2, 1, 13, 2, 2, 4, 4, 1, 4, 1, 20, 1
1 seqfan posts
Fri Oct 14 18:13:42 CEST 2011 [seqfan] Re: Counting functions for groups