A228674 Number of permutations of [n] having a shortest ascending run of length 7.

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

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