A051984 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 19.

922, 1706, 2186, 2257, 3386, 8522, 8714, 9997, 16781, 17177, 20513, 20813, 21509, 24341, 26165, 28453, 29597, 30365, 31085, 35333, 35885, 36173, 37685, 37757, 38765, 41765, 43469, 46157, 50453, 52637, 53765, 57965, 59765, 62285, 65501, 70733, 75197, 79085, 82277, 84773, 107333, 109757, 139037, 144317

Offset

1,1

References

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

Links

Table of n, a(n) for n=1..44.

Crossrefs

Cf. A051966-A051989.

Sequence in context: A068163 A289794 A235881 * A232732 A228673 A365469

Adjacent sequences: A051981 A051982 A051983 * A051985 A051986 A051987

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Jan 04 2000

Extensions

a(35) and following from Georg Fischer, Sep 21 2021

Status

approved