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%I #5 Apr 07 2021 19:26:01
%S 1,2,6,24,96,456,2134,12418,81178,625138,4275412,32681806,305356674,
%T 3193552544,29875677830,301075498104
%N Number of permutations of floor(i*7/4), 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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