%I #3 Mar 31 2012 12:35:45
%S 0,2520,75600,1310400,17186400,211780800,2652249600,34995760800
%N Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 3 maxima
%K nonn
%O 7,2
%A _R. H. Hardin_ Jul 25 2010