A322276 Number of permutations of [n] in which the length of every increasing run is 0 or 1 (mod 5).

1, 1, 1, 1, 1, 2, 12, 72, 352, 1472, 5756, 26336, 180116, 1577006, 13720566, 109776526, 829240726, 6488348726, 59134377126, 640605185526, 7502207070150, 87309498759810, 989782736128170, 11277397727184650, 136523328121058170, 1817775858886701082

Offset

0,6

Links

Alois P. Heinz, Table of n, a(n) for n = 0..501

Crossrefs

Cf. A317111, A322251, A322262.

Sequence in context: A009552 A002670 A119921 * A279154 A167747 A018931

Adjacent sequences: A322273 A322274 A322275 * A322277 A322278 A322279

Keyword

nonn

Author

Alois P. Heinz, Dec 01 2018

Status

approved