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%I #5 Apr 07 2021 19:18:52
%S 1,2,6,24,74,372,1764,9076,51988,292392,2059488,14021462,105081158,
%T 851532252,6805717470,64732937542
%N Number of permutations of floor(i*7/5), 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