The On-Line Encyclopedia of Integer Sequences (OEIS)

A177320 revision #6

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

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OFFSET

0,2

LINKS

CROSSREFS

Row n=8 of A331562.

KEYWORD

nonn,changed

AUTHOR

R. H. Hardin, May 06 2010

EXTENSIONS

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

STATUS

editing