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

Author

Alois P. Heinz, Dec 01 2018

Keywords

• nonn

Links

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

Crossrefs

Cf. A317111, A322251, A322262.