A152321 - OEIS

A152321

Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 3 adjacent terms unique.

%I #5 Apr 07 2021 20:04:39

%S 1,2,6,24,104,572,3708,26080,203656,1891158,17801198,187809048,

%T 2197262096,25480703902,331576359352,4786283287650

%N Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 3 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008