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

A189549

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

Terms

    a(0) =0a(1) =552a(2) =5416a(3) =26804a(4) =97836a(5) =274132a(6) =683144a(7) =1481908a(8) =2937048a(9) =5414876a(10) =9605792a(11) =15831096a(12) =25469448a(13) =39609448a(14) =59492044a(15) =86819652a(16) =124912364a(17) =174698948a(18) =241615316a(19) =327281004a(20) =436632904a(21) =575430892a(22) =752423588a(23) =965700832a(24) =1230962864

External references