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%I #5 Apr 07 2021 19:44:19
%S 1,2,6,24,120,640,3924,27552,197364,1677640,16002846,159888834,
%T 1733332410,19754032288,242687959560,3279596665638
%N Number of permutations of floor(i*6/5), i=0..n-1, with all sums of 4 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008
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