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%I #5 Oct 01 2021 17:40:19
%S 0,10080,181440,2268000,24948000,261954000,2659456800,26789162400,
%T 287567280000,3321654336000
%N Number of permutations of 1..n with the sequence of sums of 6 adjacent elements having exactly 2 maxima.
%K nonn
%O 7,2
%A _R. H. Hardin_, Jul 25 2010