%I #5 Apr 07 2021 20:15:22
%S 1,2,6,24,120,720,4704,34392,277152,2480256,25053328,266428148,
%T 3104831376,38907419716,511622343330,7327452159608
%N Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 5 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008