A152372 - OEIS

A152372

Number of permutations of floor(i*5/2), i=0..n-1, with all sums of 6 adjacent terms unique.

%I #5 Apr 07 2021 20:05:42

%S 1,2,6,24,120,720,5040,37248,311256,2830368,28685456,307302656,

%T 3744207972,48232689632,668100774772,9819878376880

%N Number of permutations of floor(i*5/2), i=0..n-1, with all sums of 6 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008