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%I #5 Apr 07 2021 19:28:12
%S 1,2,6,24,120,720,4824,33912,291784,2859364,29329354,341215238,
%T 4190036978,55869046042
%N Number of permutations of 1..n with all sums of 2 through 6 adjacent terms squared respectively unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 11 2008