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%I #5 Apr 07 2021 19:54:53
%S 1,2,6,24,120,720,5040,40320,339840,3151872,31926528,352653888,
%T 4226533888,54936197152,764592120720,11371146947248
%N Number of permutations of floor(i*9/2), i=0..n-1, with all sums of 7 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 10 2008