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

1,1

References

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

Links

Table of n, a(n) for n=1..45.

Crossrefs

Cf. A051966-A051989.

Sequence in context: A217704 A274380 A305061 * A241520 A067243 A171668

Adjacent sequences: A051966 A051967 A051968 * A051970 A051971 A051972

Keyword

nonn,fini

Author

N. J. A. Sloane, Jan 04 2000

Status

approved