A152327 - OEIS

%I #5 Apr 07 2021 20:02:47

%S 1,2,6,24,96,520,2888,19068,145020,1138148,10214074,94526080,

%T 967610930,10343591120,123439408674,1576525675134

%N Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 3 adjacent terms unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Dec 02 2008