Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 3 adjacent terms unique.

A152327

Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 3 adjacent terms unique.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =96a(5) =520a(6) =2888a(7) =19068a(8) =145020a(9) =1138148a(10) =10214074a(11) =94526080a(12) =967610930a(13) =10343591120a(14) =123439408674

External references