%I #5 Apr 07 2021 19:22:58
%S 1,2,6,16,54,232,936,3880,23002,127008,720116,4318818,26024362,
%T 158973744,1022131470,6808137758
%N Number of permutations of floor(i*9/8), 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