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%I #5 Apr 07 2021 19:26:52
%S 1,2,6,24,120,624,4176,31564,271972,2654974,28246094,317407978,
%T 4017408038,52647146188
%N Number of permutations of 0..n-1 with all sums of 2 through 6 adjacent terms squared respectively unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 11 2008