Number of permutations of length n within distance 3 of a fixed permutation.
1, 1, 2, 6, 24, 78, 230, 675, 2069, 6404, 19708, 60216, 183988, 563172, 1725349
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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