%I A094612
%S A094612 229,257,316,321,469,473,568,733,761,892,993,1016,1101,1229,1257,1304,
%T A094612 1373,1436,1489,1509,1772,1901,1929,1957,2021,2089,2101,2177,2213,2429,
%U A094612 2557,2589,2636,2677,2713,2777,2857,2917,2981,3173,3221,3229
%N A094612 Discriminants of real quadratic number fields with class number 3.
%H A094612 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               ClassNumber.html">ClassNumber</a>
%t A094612 Needs["NumberTheory`NumberTheoryFunctions`"] (*then*) Flatten[Position[ClassNumber/
               @Range[3229], 3, {1}]]
%Y A094612 Cf. A003656, 094619, A094613, A094614.
%Y A094612 Sequence in context: A140017 A119711 A062589 this_sequence A112847 A157348 
               A142221
%Y A094612 Adjacent sequences: A094609 A094610 A094611 this_sequence A094613 A094614 
               A094615
%K A094612 nonn
%O A094612 1,1
%A A094612 Eric Weisstein (eric(AT)weisstein.com), May 14, 2004