%I #5 Apr 07 2021 19:19:06
%S 1,2,6,16,54,232,936,5070,25700,144538,829398,4949114,30028194,
%T 195791072,1612860652,13023036794
%N Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 17 2008