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A179960 Number of permutations of 1..n with no adjacent elements within 6 in value. 0

%I

%S 1,1,0,0,0,0,0,0,0,0,0,0,0,0,2,768,98408,6433728,305193408,

%T 11902581120,412583686272

%N Number of permutations of 1..n with no adjacent elements within 6 in value.

%K nonn

%O 0,15

%A _R. H. Hardin_, Aug 03 2010

%E a(0)-a(12), a(20) from _Alois P. Heinz_, Dec 01 2018

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Last modified September 20 10:18 EDT 2021. Contains 347584 sequences. (Running on oeis4.)