Number of arrangements of n+1 nonzero numbers x(i) in -3..3 with the sum of floor(x(i)/x(i+1)) equal to zero.

A189492

Number of arrangements of n+1 nonzero numbers x(i) in -3..3 with the sum of floor(x(i)/x(i+1)) equal to zero.

Terms

    a(0) =6a(1) =38a(2) =152a(3) =928a(4) =4920a(5) =27508a(6) =152358a(7) =852940a(8) =4796962a(9) =27117826a(10) =153988846a(11) =877458110a(12) =5015185460a(13) =28736333450a(14) =165022598514a(15) =949503677434

External references