A051967 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 2.

15, 30, 35, 39, 42, 51, 66, 87, 102, 110, 123, 143, 146, 165, 182, 203, 221, 230, 258, 285, 327, 357, 402, 447, 635, 645, 678, 741, 843, 902, 957, 1085, 1245, 1298, 1517, 1533, 2037, 2045, 2085, 2397, 2613, 4245, 4277, 4773, 5645, 5957, 6573, 8333

Offset: 1

Author

N. J. A. Sloane, Jan 04 2000

Keywords

• nonn
• fini
• full

References

• R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A3.

Links

• R. A. Mollin, H. C. Williams, On real quadratic fields of class number two, Math. Comp. 59 (1992) 625-632.

Crossrefs

Cf. A051966-A051989.