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A051982 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 17. 0
1018, 1994, 2965, 4285, 5354, 5498, 5585, 8917, 9242, 9665, 10265, 12085, 13061, 13957, 14677, 15242, 15613, 16109, 16565, 16613, 17173, 17285, 17429, 17861, 18037, 18737, 18965, 34047, 34957, 35285, 36413, 37949, 40085, 40501, 41165, 47813, 48149, 50357, 53285, 57797, 58853, 61133, 62957, 63653, 86957, 146453 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The article in 1992 had a(28)=34037. Georg Fischer, Sep 21 2021
REFERENCES
R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A3.
LINKS
R. A. Mollin and H. C. Williams, On real quadratic fields of class number two, Mathematics of Computation, Vol. 59, No. 200, Oct. 1992, pp. 625-632.
CROSSREFS
Sequence in context: A054035 A087837 A235811 * A210139 A245206 A340872
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Jan 04 2000
EXTENSIONS
a(36) and following from Georg Fischer, Sep 21 2021
STATUS
approved

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Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)