A051982 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 17.

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

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

Table of n, a(n) for n=1..46.

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

Cf. A051966-A051989.

Sequence in context: A054035 A087837 A235811 * A210139 A245206 A340872

Adjacent sequences: A051979 A051980 A051981 * A051983 A051984 A051985

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