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A051971 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 6. 0
70, 105, 111, 114, 178, 183, 187, 267, 273, 303, 371, 374, 407, 418, 470, 498, 518, 545, 551, 590, 602, 618, 642, 803, 805, 822, 923, 1005, 1007, 1034, 1118, 1167, 1173, 1178, 1202, 1581, 1605, 1623, 1653, 1707, 1749, 1790, 2103, 2109, 2147 (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: A224553 A156718 A007621 * A180274 A075004 A043222

Adjacent sequences:  A051968 A051969 A051970 * A051972 A051973 A051974

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane, Jan 04 2000

STATUS

approved

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Last modified May 24 17:26 EDT 2013. Contains 225626 sequences.