Number of arrangements of n+1 nonzero numbers x(i) in -6..6 with the sum of trunc(x(i)/x(i+1)) equal to zero.

A189542

Number of arrangements of n+1 nonzero numbers x(i) in -6..6 with the sum of trunc(x(i)/x(i+1)) equal to zero.

Terms

    a(0) =60a(1) =264a(2) =2520a(3) =26152a(4) =274132a(5) =3022220a(6) =33638540a(7) =379997096a(8) =4324466328a(9) =49387377504a(10) =566509205348

External references