A152373 - OEIS

A152373

Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 6 adjacent terms unique.

%I #5 Apr 07 2021 20:05:48

%S 1,2,6,24,120,720,5040,38016,313200,2868960,28682736,302235168,

%T 3610498624,45501591872,615625444260,8947269813616

%N Number of permutations of floor(i*5/3), i=0..n-1, with all sums of 6 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008