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A179966 Number of permutations of 1..2*n+8 with no adjacent elements within n in value. 0

%I #11 Dec 01 2018 19:34:38

%S 40320,479306,6564318,99133496,1572313392,25415753280

%N Number of permutations of 1..2*n+8 with no adjacent elements within n in value.

%K nonn,more

%O 0,1

%A _R. H. Hardin_, Aug 03 2010

%E a(0)=40320 prepended by _Seiichi Manyama_, Dec 01 2018

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)