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A051983 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 18. 1
519, 562, 831, 879, 951, 1185, 1199, 1209, 1281, 1310, 1362, 1379, 1505, 1506, 1526, 1606, 1630, 1686, 1698, 1842, 1903, 1919, 1923, 1983, 1991, 2202, 2219, 2283, 2363, 2631, 2697, 2771, 2985, 3183, 3282, 3414, 3470, 3642, 3702, 3707 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A3.
LINKS
CROSSREFS
Sequence in context: A173791 A345587 A345845 * A250768 A043626 A345596
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Jan 04 2000
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)