Triangle read by rows: T(n,k) is the number of permutations of {1,2,...,n} in which the size of the last cycle is k (the cycles are ordered by increasing smallest elements; 1 <= k <=n).
1, 1, 1, 3, 1, 2, 12, 4, 2, 6, 60, 20, 10, 6, 24, 360, 120, 60, 36, 24, 120, 2520, 840, 420
1 seqfan posts
Tue Aug 4 15:01:02 CEST 2009 [seqfan] Re: offset of A000254 wrong?