A179962 - OEIS

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A179962

Number of permutations of 1..2*n+4 with no adjacent elements within n in value.

%I #14 Dec 01 2018 19:31:13

%S 24,90,368,1496,6056,24440,98408,395576,1588136,6370040,25532648,

%T 102288056

%N Number of permutations of 1..2*n+4 with no adjacent elements within n in value.

%K nonn,more

%O 0,1

%A _R. H. Hardin_, Aug 03 2010

%E a(0)=24 prepended by _Seiichi Manyama_, Dec 01 2018