a(n) = numerator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...,r(n)] = n^2, for every positive integer n.

A128560

a(n) = numerator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...,r(n)] = n^2, for every positive integer n.

Terms

    a(0) =1a(1) =1a(2) =-24a(3) =20a(4) =-112a(5) =500a(6) =-4312a(7) =780a(8) =-189728a(9) =103428a(10) =-643720a(11) =586092a(12) =-16074608a(13) =63493300a(14) =-3882017832a(15) =17704862500a(16) =-112528101312a(17) =349139888500a(18) =-832452204024a(19) =11690656900

External references