%I #5 Apr 07 2021 19:38:01
%S 1,2,6,16,74,368,1776,9208,53466,314212,2134376,14852630,117199526,
%T 945570742,8407963796,76231574308
%N Number of permutations of floor(i*3/2), 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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