%I #5 Apr 07 2021 19:18:36
%S 1,2,6,16,54,260,1236,6360,31636,166080,1095490,6861468,47125320,
%T 327177196,2371069132,20747895710
%N Number of permutations of floor(i*6/5), 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
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