%I #5 Apr 07 2021 19:38:16
%S 1,2,6,24,96,456,2134,11650,74546,530962,3285816,22665948,187716490,
%T 1693665742,13845532508,121701474366
%N Number of permutations of floor(i*7/4), 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