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A094612 Discriminants of real quadratic number fields with class number 3. +0
4
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; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, ClassNumber

MATHEMATICA

Needs["NumberTheory`NumberTheoryFunctions`"] (*then*) Flatten[Position[ClassNumber/@Range[3229], 3, {1}]]

CROSSREFS

Cf. A003656, 094619, A094613, A094614.

Adjacent sequences: A094609 A094610 A094611 this_sequence A094613 A094614 A094615

Sequence in context: A061783 A119711 A062589 this_sequence A112847 A139512 A124684

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), May 14, 2004

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Last modified May 11 10:28 EDT 2008. Contains 139662 sequences.


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