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%I #5 Apr 07 2021 19:39:35
%S 1,2,6,24,96,456,2134,11650,74546,530962,3437002,24793292,214741200,
%T 2028628716,17460401888,162168439452
%N Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 17 2008
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