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Number of permutations of floor(i*8/5), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
0

%I #5 Apr 07 2021 19:23:17

%S 1,2,6,16,74,384,1970,10282,65472,391386,2939090,20208896,147099900,

%T 1225118562,9901118700,97592995386

%N Number of permutations of floor(i*8/5), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2008