%I #5 Apr 07 2021 20:07:19
%S 1,2,6,24,120,640,3936,28800,221000,1890260,17757658,178522700,
%T 1984189170,23487665246,293589788564,3987487236438
%N Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 4 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008
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