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%I #5 Apr 07 2021 20:08:42
%S 1,2,6,24,120,656,4080,27072,220604,1882092,18317858,187501438,
%T 2071008996,24972179932,315181758186,4341516164432
%N Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 4 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008