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A177323 Number of permutations of n copies of 1..5 with all adjacent differences <= 2 in absolute value. 1
20, 3846, 1173512, 439192790, 184619047020, 83659800759150, 39956935830445136, 19840440079542390102, 10150867545062935511900, 5318188148539280718247346, 2840554565353471719458163720, 1541655842245048541457829216574 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..15

CROSSREFS

Sequence in context: A028458 A225989 A332265 * A184891 A279297 A079759

Adjacent sequences:  A177320 A177321 A177322 * A177324 A177325 A177326

KEYWORD

nonn

AUTHOR

R. H. Hardin May 06 2010

STATUS

approved

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Last modified May 14 22:40 EDT 2021. Contains 343909 sequences. (Running on oeis4.)