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A050950
Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 1.
38
2, 5, 13, 29, 53, 173, 293
OFFSET
1,1
COMMENTS
Theorem 3.1 of Lachaud (1987) says that under Hypothesis(H), which is a version of the Generalized Riemann Hypothesis, the only real quadratic fields with caliber one are the fields Q(sqrt(t)) where t is one of the seven numbers listed here. - N. J. A. Sloane, Aug 28 2021
REFERENCES
Gilles Lachaud, On real quadratic fields, Bull. Amer. Math. Soc., 17:2 (1987), 307-311.
R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A.
LINKS
R. A. Mollin and H. C. Williams, On a determination of real quadratic fields of class number one and related continued fraction period length less than 25, Proc. Japan Acad. Ser. A Math. Sci. Volume 67, Number 1 (1991), 20-25. (cf. Table 3.1)
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Jan 04 2000
STATUS
approved