Number of arrangements of 8 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero.

A189504

Number of arrangements of 8 nonzero numbers x(i) in -n..n with the sum of floor(x(i)/x(i+1)) equal to zero.

Terms

    a(0) =0a(1) =7384a(2) =152358a(3) =1350418a(4) =7250142a(5) =29261538a(6) =93830584a(7) =260746932a(8) =640437244a(9) =1434950142a(10) =2985187290a(11) =5855131794a(12) =10847051914a(13) =19293465580a(14) =33015900952a(15) =54518107984a(16) =87418596734a(17) =136633143572a(18) =208413957692a(19) =311534423834

External references