Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 3 adjacent terms unique.

A152323

Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 3 adjacent terms unique.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =104a(5) =592a(6) =3384a(7) =22544a(8) =172448a(9) =1468904a(10) =13506934a(11) =134335588a(12) =1414062686a(13) =16456846630a(14) =203601501758

External references