Number of arrangements of 8 nonzero numbers x(i) in -n..n with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.

A190077

Number of arrangements of 8 nonzero numbers x(i) in -n..n with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.

Terms

    a(0) =0a(1) =7584a(2) =162028a(3) =1436962a(4) =7843113a(5) =31391655a(6) =101530262a(7) =282859251a(8) =698197690a(9) =1570715217a(10) =3291688243a(11) =6460935664a(12) =12000071771a(13) =21412481203a(14) =36702670681a(15) =60642753250a(16) =97406905547a(17) =152416471950a(18) =232926480058a(19) =348492673798

External references