%I #5 Apr 07 2021 19:23:17
%S 1,2,6,16,74,384,1970,10282,65472,391386,2939090,20208896,147099900,
%T 1225118562,9901118700,97592995386
%N Number of permutations of floor(i*8/5), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 17 2008