A177320 Number of permutations of n copies of 1..8 with all adjacent differences <= 1 in absolute value.

1, 2, 250, 168284, 175280570, 226901044252, 336181036999948, 546641872918476120, 951645881858020642746, 1745708356607370063330620, 3337797628633312532069739500, 6600171805939224952685745226312, 13419910030462066174528563412581260, 27933944205209773363718168619462715544

Offset: 0

Author

R. H. Hardin, May 06 2010

Keywords

• nonn

Links

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

Crossrefs

Row n=8 of A331562.

Extensions

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

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