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A177656 Number of permutations of 4 copies of 1..n avoiding adjacent step pattern up, up, up, up, up. 0
1, 1, 70, 34650, 63063000, 305540235000, 3244063941457921, 66318107269696031401, 2379613992603610298990440, 139801056431706089952638689800, 12738104011291233355807195325583000, 1723542569871737348415590682638868511200 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..11.

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

CROSSREFS

Cf. A014608.

Sequence in context: A177658 A177670 A177671 * A177657 A177676 A014608

Adjacent sequences:  A177653 A177654 A177655 * A177657 A177658 A177659

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 10 2010

EXTENSIONS

a(9)-a(11) from Alois P. Heinz, Aug 08 2018

STATUS

approved

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Last modified January 18 13:09 EST 2019. Contains 319271 sequences. (Running on oeis4.)