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

A152325

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

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =112a(5) =604a(6) =3708a(7) =27704a(8) =211432a(9) =1891158a(10) =18797728a(11) =191419156a(12) =2197262096a(13) =27378984640a(14) =338911134156

External references