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A322276 Number of permutations of [n] in which the length of every increasing run is 0 or 1 (mod 5). 6
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 26 23:05 EST 2020. Contains 331289 sequences. (Running on oeis4.)