Central Eulerian numbers A(2n-1, n).
1, 4, 66, 2416, 156190, 15724248, 2275172004, 447538817472, 114890380658550
2 seqfan posts
Sat Aug 28 15:19:44 CEST 2010 [seqfan] Re: Permutation Ascents
Sat Aug 28 14:37:52 CEST 2010 [seqfan] Re: Permutation Ascents
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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