%I #5 Apr 07 2021 19:23:23
%S 1,2,6,16,54,232,1194,5348,28874,153508,823908,4528784,31785252,
%T 218092306,1562069462,11268454920
%N Number of permutations of floor(i*7/6), 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