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A094612
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Fundamental discriminants of real quadratic number fields with class number 3.
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4
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229, 257, 316, 321, 469, 473, 568, 733, 761, 892, 993, 1016, 1101, 1229, 1257, 1304, 1373, 1436, 1489, 1509, 1772, 1901, 1929, 1957, 2021, 2089, 2101, 2177, 2213, 2429, 2557, 2589, 2636, 2677, 2713, 2777, 2857, 2917, 2981, 3173, 3221, 3229
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Eric Weisstein's World of Mathematics, ClassNumber
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MATHEMATICA
| Needs["NumberTheory`NumberTheoryFunctions`"] (*then*) Flatten[Position[ClassNumber/@Range[3229], 3, {1}]] [Does not work in all versions of Mathematica]
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CROSSREFS
| Cf. A003656, 094619, A094613, A094614.
Sequence in context: A140017 A119711 A062589 * A112847 A157348 A142221
Adjacent sequences: A094609 A094610 A094611 * A094613 A094614 A094615
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KEYWORD
| nonn
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), May 14, 2004
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EXTENSIONS
| Edited by N. J. A. Sloane, May 01 2010
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