Number of arrangements of 6 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.

A190075

Number of arrangements of 6 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) =550a(2) =5136a(3) =25306a(4) =88509a(5) =249119a(6) =599181a(7) =1291797a(8) =2542771a(9) =4665542a(10) =8142317a(11) =13502963a(12) =21463807a(13) =33185295a(14) =49745019a(15) =72458535a(16) =103375585a(17) =144707600a(18) =199040665a(19) =269251217a(20) =358360590a(21) =471257436a(22) =613624162a(23) =789275327a(24) =1002980959

External references