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A177599 Number of permutations of 3 copies of 1..n avoiding adjacent step pattern up, up, up. 0
1, 1, 20, 1680, 347279, 145417911, 108103451700, 130235191847880, 237916352264650149, 626620767478218488341, 2286998940761680215812180, 11203494211631147331264432480, 71758642346800717617629677669619, 587889139521679290927189491977855371 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..13.

Mingjia Yang, Doron Zeilberger, Increasing Consecutive Patterns in Words, arXiv:1805.06077 [math.CO], 2018.

CROSSREFS

Cf. A014606.

Sequence in context: A177631 A177292 A266737 * A177600 A177607 A177612

Adjacent sequences:  A177596 A177597 A177598 * A177600 A177601 A177602

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 10 2010

EXTENSIONS

a(10) from Alois P. Heinz, Nov 01 2013

a(11)-a(13) from Alois P. Heinz, Aug 08 2018

STATUS

approved

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Last modified January 22 15:57 EST 2019. Contains 319364 sequences. (Running on oeis4.)