%I #5 Apr 07 2021 20:06:48
%S 1,2,6,24,120,720,4416,30744,239856,2139504,19700808,202858542,
%T 2208308468,25994725052,324119733220,4313917683752
%N Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 5 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008