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%I #5 Apr 07 2021 20:03:57
%S 1,2,6,24,120,720,5040,40320,330240,2926656,27806976,287160384,
%T 3186150912,38895891136,493003257904,6782866786416
%N Number of permutations of 0..n-1 with all sums of 7 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 10 2008