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A051962 Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 21. 24
337, 569, 977, 1453, 1669, 1741, 2053, 2293, 4093, 4349, 5437, 5557, 8861, 9341, 10133, 10709, 11117, 12917, 14549, 15053, 16253, 18413, 18917, 19013, 19973, 20117, 20333, 25373, 28493, 29333 (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: A003924 A153164 A020358 * A157999 A152853 A142830

Adjacent sequences:  A051959 A051960 A051961 * A051963 A051964 A051965

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified February 15 13:43 EST 2012. Contains 205805 sequences.