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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
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A028458 A225989 A332265 * A184891 A279297 A079759
KEYWORD
nonn
AUTHOR
R. H. Hardin May 06 2010
STATUS
approved