a(n) = smallest k>0 such that the elliptic curve y^2 = x^3 + k has rank n, or -1 if no such k exists.
A031507
a(n) = smallest k>0 such that the elliptic curve y^2 = x^3 + k has rank n, or -1 if no such k exists.
Terms
- a(0) =1a(1) =2a(2) =15a(3) =113a(4) =2089a(5) =66265a(6) =1358556
External references
- oeis: A031507