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A092582 Triangle read by rows: T(n,k) is the number of permutations p of [n] having length of first run equal to k. +0
6
1, 1, 1, 3, 2, 1, 12, 8, 3, 1, 60, 40, 15, 4, 1, 360, 240, 90, 24, 5, 1, 2520, 1680, 630, 168, 35, 6, 1, 20160, 13440, 5040, 1344, 280, 48, 7, 1, 181440, 120960, 45360, 12096, 2520, 432, 63, 8, 1, 1814400, 1209600, 453600, 120960, 25200, 4320, 630, 80, 9, 1 (list; table; graph; listen)
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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