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%I #5 Apr 07 2021 19:25:51
%S 1,2,6,16,74,368,1924,10912,67792,449216,3401230,26973896,240069290,
%T 2230691024,22675693280,239723851692
%N Number of permutations of floor(i*7/2), i=0..n-1, with all sums of two and three adjacent terms respectively unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 17 2008
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