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A046006
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Discriminants of imaginary quadratic fields with class number 9 (negated).
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7
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199, 367, 419, 491, 563, 823, 1087, 1187, 1291, 1423, 1579, 2003, 2803, 3163, 3259, 3307, 3547, 3643, 4027, 4243, 4363, 4483, 4723, 4987, 5443, 6043, 6427, 6763, 6883, 7723, 8563, 8803, 9067, 10627
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| Buell, D. A. ``Small Class Numbers and Extreme Values of L-Functions of Quadratic Fields.'' Math. Comput. 139, 786-796, 1977.
Wagner, C. ``Class Number 5, 6 and 7.'' Math. Comput. 65, 785-800, 1996.
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LINKS
| S. Arno, M. L. Robinson and F. S. Wheller, Imaginary Quadratic Fields with Small Odd Class Number
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to quadratic fields
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CROSSREFS
| Cf. A006203, A013658, A014602, A014603, A046002-A046020.
Sequence in context: A122091 A142749 A142123 * A147262 A106759 A004926
Adjacent sequences: A046003 A046004 A046005 * A046007 A046008 A046009
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KEYWORD
| nonn,fini,full
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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