A051977 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 12.

247, 295, 355, 366, 385, 386, 426, 535, 609, 767, 802, 815, 851, 969, 995, 1027, 1113, 1162, 1207, 1343, 1353, 1355, 1358, 1535, 1538, 1703, 1717, 1799, 1910, 1946, 2018, 2047, 2054, 2105, 2231, 2318, 2327, 2334, 2365, 2438, 2507, 2735

Offset

1,1

References

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

Links

Georg Fischer, Table of n, a(n) for n = 1..102

Crossrefs

Cf. A051966-A051989.

Sequence in context: A044983 A351243 A175043 * A177213 A283737 A020313

Adjacent sequences: A051974 A051975 A051976 * A051978 A051979 A051980

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Jan 04 2000

Status

approved