%I #5 Apr 07 2021 19:46:17
%S 1,2,6,24,120,720,5040,40320,362880,3456000,35759520,400628736,
%T 4789308672,61341750208,840540050688,12292652292672
%N Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 8 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 11 2008