a(n) = denominator of y-coordinate of (2n)*P where P is the generator for rational points on the curve y^2 + y = x^3 - x.

A028939

a(n) = denominator of y-coordinate of (2n)*P where P is the generator for rational points on the curve y^2 + y = x^3 - x.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =125a(4) =64a(5) =24389a(6) =2146689a(7) =274625a(8) =50202571769

External references