Number of arrangements of 9 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero.

A189505

Number of arrangements of 9 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero.

Terms

    a(0) =140a(1) =26816a(2) =852940a(3) =10077438a(4) =67449574a(5) =326423068a(6) =1218634086a(7) =3870426602a(8) =10678039872a(9) =26541186546a(10) =60515390904a(11) =129217908546a(12) =258501393812a(13) =493822993858a(14) =903540678414

External references