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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
OFFSET
0,2
LINKS
CROSSREFS
Row n=8 of A331562.
Sequence in context: A012527 A109118 A034313 * A304211 A224828 A370367
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