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A122843 Triangle read by rows: T[n,k] = the number of ascending runs of length k in the permutations of [n] for k <= n. +0
3
1, 2, 1, 7, 4, 1, 32, 21, 6, 1, 180, 130, 41, 8, 1, 1200, 930, 312, 67, 10, 1, 9240, 7560, 2646, 602, 99, 12, 1, 80640, 68880, 24864, 5880, 1024, 137, 14, 1, 786240, 695520, 257040, 62496, 11304, 1602, 181, 16, 1, 8467200, 7711200, 2903040, 720720, 133920 (list; table; graph; listen)
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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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