A152319 - OEIS

A152319

Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 3 adjacent terms unique.

%I #5 Apr 07 2021 20:04:29

%S 1,2,6,24,104,572,3188,22208,160964,1324778,11574266,112170676,

%T 1184117424,13447507146,159753416748,2023662431552

%N Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 3 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008