%I #5 Apr 07 2021 19:39:02
%S 1,2,6,16,74,368,1776,9208,53466,314212,2033052,13601690,101992918,
%T 775253990,6502888210,55177455836
%N Number of permutations of floor(i*3/2), 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