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A177320 Number of permutations of n copies of 1..8 with all adjacent differences <= 1 in absolute value. 2
1, 2, 250, 168284, 175280570, 226901044252, 336181036999948, 546641872918476120, 951645881858020642746, 1745708356607370063330620, 3337797628633312532069739500, 6600171805939224952685745226312, 13419910030462066174528563412581260, 27933944205209773363718168619462715544 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..100

CROSSREFS

Row n=8 of A331562.

Sequence in context: A012527 A109118 A034313 * A304211 A224828 A070782

Adjacent sequences:  A177317 A177318 A177319 * A177321 A177322 A177323

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 06 2010

EXTENSIONS

a(0)=1 prepended by Alois P. Heinz, Jan 20 2020

Terms a(7) and beyond from Andrew Howroyd, May 15 2020

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)