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A228674 Number of permutations of [n] having a shortest ascending run of length 7. 2
1, 0, 0, 0, 0, 0, 0, 3431, 12868, 22878, 38894, 63646, 100774, 155038, 399072959, 3291371293, 17874723750, 70661650187, 242176782370, 762243414933, 2264604983536, 478557413505138, 6864733462145388, 61394054827641855, 435803138222232998, 2588994595597226565 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,8

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..100

CROSSREFS

Column k=7 of A064315.

Sequence in context: A165942 A179427 A031787 * A268850 A290290 A024751

Adjacent sequences:  A228671 A228672 A228673 * A228675 A228676 A228677

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 29 2013

STATUS

approved

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Last modified July 30 09:18 EDT 2021. Contains 346359 sequences. (Running on oeis4.)