%I #5 Apr 07 2021 20:06:38
%S 1,2,6,24,120,720,5040,40320,362880,3421440,35166240,389352960,
%T 4691481888,60558135040,843695759904,12332831057536
%N Number of permutations of floor(i*5/2), i=0..n-1, with all sums of 8 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 11 2008