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A051969 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 4. 0
34, 55, 78, 95, 119, 138, 155, 174, 194, 205, 215, 222, 266, 287, 299, 305, 318, 335, 377, 395, 429, 482, 527, 623, 755, 782, 861, 885, 1022, 1055, 1205, 1405, 1469, 1965, 2013, 2093, 2222, 2301, 2373, 2877, 3005, 3237, 3597, 3813, 4893 (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..45.

CROSSREFS

Cf. A051966-A051989.

Sequence in context: A092888 A217768 A217704 * A067243 A171668 A055574

Adjacent sequences:  A051966 A051967 A051968 * A051970 A051971 A051972

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Jan 04 2000

STATUS

approved

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Last modified May 26 02:53 EDT 2013. Contains 225653 sequences.