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%I #5 Apr 07 2021 19:17:55
%S 1,2,6,16,54,232,936,5070,28658,170392,1087848,7171828,49584912,
%T 366964014,3450377582,32284315804
%N Number of permutations of floor(i*8/7), 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