A147919 - OEIS

A147919

Number of permutations of floor(i*6/5), i=0..n-1, with all sums of two adjacent terms unique.

%I #5 Apr 07 2021 19:22:01

%S 1,2,6,16,54,300,1508,9488,58680,406376,3576988,30865472,296769186,

%T 2879354420,30206726508,369524784820

%N Number of permutations of floor(i*6/5), i=0..n-1, with all sums of two adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2008