Largest number k such that C(-k) is the cyclic group of order n, where C(D) is the class group of the quadratic field with discriminant D; or 0 if no such k exists.

A357600

Largest number k such that C(-k) is the cyclic group of order n, where C(D) is the class group of the quadratic field with discriminant D; or 0 if no such k exists.

Terms

    a(0) =163a(1) =427a(2) =907a(3) =1555a(4) =2683a(5) =3763a(6) =5923a(7) =5947a(8) =10627a(9) =13843a(10) =15667a(11) =17803a(12) =20563a(13) =30067a(14) =34483a(15) =31243a(16) =37123a(17) =48427a(18) =38707a(19) =58507a(20) =61483a(21) =85507a(22) =90787a(23) =111763a(24) =93307a(25) =103027a(26) =103387a(27) =126043a(28) =166147a(29) =134467

External references