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A051986 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 21. +0
1
394, 865, 1769, 1985, 2561, 2762, 3098, 4385, 5465, 5485, 5965, 6122, 7141, 7265, 10565, 11101, 11485, 11581, 13285, 13466, 14381, 14765, 16442, 21365, 22565, 28373, 34493, 35197, 36221, 44861, 47477, 48485, 48941, 51365, 54317 (list; graph; listen)
OFFSET

0,1

REFERENCES

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

CROSSREFS

Cf. A051966-A051989.

Sequence in context: A105210 A083752 A047825 this_sequence A126078 A028299 A092720

Adjacent sequences: A051983 A051984 A051985 this_sequence A051987 A051988 A051989

KEYWORD

nonn,fini

AUTHOR

njas, Jan 04 2000

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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