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A046016
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Discriminants of imaginary quadratic fields with class number 19 (negated).
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5
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311, 359, 919, 1063, 1543, 1831, 2099, 2339, 2459, 3343, 3463, 3467, 3607, 4019, 4139, 4327, 5059, 5147, 5527, 5659, 6803, 8419, 8923, 8971, 9619, 10891, 11299, 15091, 15331, 16363, 16747, 17011, 17299, 17539, 17683, 19507, 21187, 21211
(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: A084876 A190567 A060339 * A142005 A059225 A157717
Adjacent sequences: A046013 A046014 A046015 * A046017 A046018 A046019
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KEYWORD
| nonn,fini
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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EXTENSIONS
| 47 discriminants in this sequence (proved).
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