A152387 - OEIS

A152387

Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 6 adjacent terms unique.

%I #5 Apr 07 2021 20:03:51

%S 1,2,6,24,120,720,5040,36096,290976,2536032,24291184,246261152,

%T 2795379016,33393132076,430378548546,5852810700688

%N Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 6 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008