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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..7.

CROSSREFS

Sequence in context: A179728 A052799 A229569 * A153760 A029574 A119540

Adjacent sequences:  A179961 A179962 A179963 * A179965 A179966 A179967

KEYWORD

nonn,more

AUTHOR

R. H. Hardin, Aug 03 2010

EXTENSIONS

a(0)=720 prepended by Seiichi Manyama, Dec 01 2018

STATUS

approved

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Last modified October 20 09:59 EDT 2021. Contains 348100 sequences. (Running on oeis4.)