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A179964
Number of permutations of 1..2*n+6 with no adjacent elements within n in value.
0
720, 5242, 44304, 399848, 3661824, 33461568, 305193408, 2779045440
OFFSET
0,1
CROSSREFS
Sequence in context: A179728 A052799 A229569 * A153760 A029574 A119540
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Aug 03 2010
EXTENSIONS
a(0)=720 prepended by Seiichi Manyama, Dec 01 2018
STATUS
approved