%I #5 Apr 07 2021 20:13:30
%S 1,2,6,24,120,720,4800,34944,284112,2610000,25619416,281967300,
%T 3260094820,40530153902,544648728448,7866179354326
%N Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 5 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008