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A046010
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Discriminants of imaginary quadratic fields with class number 13 (negated).
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4
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191, 263, 607, 631, 727, 1019, 1451, 1499, 1667, 1907, 2131, 2143, 2371, 2659, 2963, 3083, 3691, 4003, 4507, 4643, 5347, 5419, 5779, 6619, 7243, 7963, 9547, 9739, 11467, 11587, 11827, 11923, 12043, 14347, 15787, 16963, 20563
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Reap[ For[n = 1, n < 21000, n++, s = Sqrt[-n]; If[ NumberFieldClassNumber[s] == 13, d = -NumberFieldDiscriminant[s]; Print[d]; Sow[d]]]][[2, 1]] // Union (* Jean-François Alcover, Oct 05 2012 *)
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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