References to A123642

n! - 2^n.
0, 1, 2, 2, 8, 88, 656, 4912, 40064, 362368, 3627776, 39914752, 478997504


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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