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A046020 Discriminants of imaginary quadratic fields with class number 23 (negated). +0
23
647, 1039, 1103, 1279, 1447, 1471, 1811, 1979, 2411, 2671, 3491, 3539, 3847, 3923, 4211, 4783, 5387, 5507, 5531, 6563, 6659, 6703, 7043, 9587, 9931, 10867, 10883, 12203, 12739, 13099, 13187, 15307, 15451, 16267, 17203, 17851, 18379, 20323 (list; graph; listen)
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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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