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A050956 Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 7. 0
89, 109, 113, 137, 373, 389, 509, 653, 797, 853, 997, 1493, 1997, 2309, 2621, 3797, 4973 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

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

CROSSREFS

Cf. A050950-A050969, A051962-A051965.

Sequence in context: A032691 A146332 A146352 * A121608 A135144 A083371

Adjacent sequences:  A050953 A050954 A050955 * A050957 A050958 A050959

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 04 2000

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.