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Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.
0

%I #5 Apr 07 2021 19:19:06

%S 1,2,6,16,54,232,936,5070,25700,144538,829398,4949114,30028194,

%T 195791072,1612860652,13023036794

%N Number of permutations of floor(i*8/7), 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