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%I #12 Dec 01 2018 19:34:01
%S 5040,47622,521606,6231544,76972416,957913824,11902581120
%N Number of permutations of 1..2*n+7 with no adjacent elements within n in value.
%K nonn,more
%O 0,1
%A _R. H. Hardin_, Aug 03 2010
%E a(0)=5040 prepended by _Seiichi Manyama_, Dec 01 2018