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A177318
Number of permutations of n copies of 1..6 with all adjacent differences <= 1 in absolute value.
2
1, 2, 86, 10010, 1543862, 276285002, 54331653686, 11408205434138, 2514046004253110, 574996024253854586, 135442141147145037086, 32677132473420748546466, 8041851882854648557516118, 2012484136612620102100796090, 510873291048466091968494930086
OFFSET
0,2
LINKS
CROSSREFS
Row n=6 of A331562.
Sequence in context: A306139 A317372 A358807 * A280551 A283945 A172736
KEYWORD
nonn
AUTHOR
R. H. Hardin, May 06 2010
EXTENSIONS
a(0)=1 prepended by Alois P. Heinz, Jan 20 2020
a(11)-a(12) from Alois P. Heinz, Jan 22 2020
Terms a(13) and beyond from Andrew Howroyd, May 15 2020
STATUS
approved