A051969 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 4.

34, 55, 78, 95, 119, 138, 155, 174, 194, 205, 215, 222, 266, 287, 299, 305, 318, 335, 377, 395, 429, 482, 527, 623, 755, 782, 861, 885, 1022, 1055, 1205, 1405, 1469, 1965, 2013, 2093, 2222, 2301, 2373, 2877, 3005, 3237, 3597, 3813, 4893

Offset: 1

Author

N. J. A. Sloane, Jan 04 2000

Keywords

• nonn
• fini

References

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

Crossrefs

Cf. A051966-A051989.