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A179965
Number of permutations of 1..2*n+7 with no adjacent elements within n in value.
0
5040, 47622, 521606, 6231544, 76972416, 957913824, 11902581120
OFFSET
0,1
CROSSREFS
Sequence in context: A061140 A061122 A029575 * A191685 A213877 A135456
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Aug 03 2010
EXTENSIONS
a(0)=5040 prepended by Seiichi Manyama, Dec 01 2018
STATUS
approved