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A051972 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 7. 0
58, 202, 314, 538, 685, 949, 1165, 1261, 2885, 3133, 3277, 3653, 5429, 5765, 6437, 7373, 9197, 9509, 12557, 16757, 17141, 17261, 18317, 22301 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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

LINKS

Table of n, a(n) for n=1..24.

CROSSREFS

Cf. A051966-A051989.

Sequence in context: A172357 A305156 A334186 * A027987 A141779 A250927

Adjacent sequences:  A051969 A051970 A051971 * A051973 A051974 A051975

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Jan 04 2000

STATUS

approved

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Last modified May 7 06:57 EDT 2021. Contains 343636 sequences. (Running on oeis4.)