Number of permutations of length n within distance 2 of a fixed permutation.
1, 1, 2, 6, 14, 31, 73, 172, 400, 932, 2177, 5081, 11854, 27662, 64554, 150639
5 seqfan posts
Wed Jun 30 13:07:48 CEST 2010 [seqfan] Re: b-files for apparently matching sequences?
Wed Jun 30 10:34:44 CEST 2010 [seqfan] Re: b-files for apparently matching sequences?
Tue Jun 29 18:08:01 CEST 2010 [seqfan] Re: b-files for apparently matching sequences?
Tue Jun 29 17:52:41 CEST 2010 [seqfan] Re: b-files for apparently matching sequences?
Tue Jun 29 17:22:49 CEST 2010 [seqfan] b-files for apparently matching sequences?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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