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A177328
Number of permutations of n copies of 1..7 with all adjacent differences <= 3 in absolute value.
1
1, 428, 6068622, 171548183912, 6595449547140990, 302061042944500510428, 15490059482899736687180550
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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 April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)