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%I #5 Apr 07 2021 20:04:59
%S 1,2,6,24,112,604,3688,27200,231030,1936958,17801198,187809048,
%T 2272871788,26912083350,336583458898,4721793229416
%N Number of permutations of floor(i*9/4), i=0..n-1, with all sums of 3 adjacent terms unique.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 02 2008