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A177328
Number of permutations of n copies of 1..7 with all adjacent differences <= 3 in absolute value.
2
1, 428, 6068622, 171548183912, 6595449547140990, 302061042944500510428, 15490059482899736687180550
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..6.
CROSSREFS
Sequence in context: A173798 A233812 A231047 * A243833 A334558 A320712
Adjacent sequences: A177325 A177326 A177327 * A177329 A177330 A177331
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 06 2010
EXTENSIONS
a(0) and a(6) from Alois P. Heinz, Jan 20 2020
STATUS
approved

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Last modified February 17 21:56 EST 2025. Contains 380976 sequences.
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