a(n)=n^2*phi(n).
1, 4, 18, 32, 100, 72, 294, 256, 486, 400, 1210, 576, 2028, 1176, 1800, 2048, 4624
2 seqfan posts
Fri Feb 12 06:34:05 CET 2010 [seqfan] Re: Some questions about groups
Fri Feb 12 06:16:55 CET 2010 [seqfan] Re: Some questions about groups
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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