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A037449
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Discriminant of quadratic field Q(sqrt(n)).
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7
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1, 8, 12, 1, 5, 24, 28, 8, 1, 40, 44, 12, 13, 56, 60, 1, 17, 8, 76, 5, 21, 88, 92, 24, 1, 104, 12, 28, 29, 120, 124, 8, 33, 136, 140, 1, 37, 152, 156, 40, 41, 168, 172, 44, 5, 184, 188, 12, 1, 8, 204, 13, 53, 24, 220, 56, 57, 232, 236, 60, 61, 248, 28, 1, 65, 264, 268, 17, 69
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| For the discriminant of the quadratic field Q(sqrt(-n)), see A204993.
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LINKS
| T. D. Noe, Table of n, a(n) for n = 1..1000
S. R. Finch, Class number theory
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MATHEMATICA
| Table[NumberFieldDiscriminant[Sqrt[n]], {n, 100}] (* Artur Jasinski, Jan 27 2012 *)
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PROG
| (PARI) vector(150, n, quaddisc(n))
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CROSSREFS
| Sequence in context: A111021 A126814 A172391 * A070477 A070697 A004473
Adjacent sequences: A037446 A037447 A037448 * A037450 A037451 A037452
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KEYWORD
| nonn
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AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), Jun 30 2001
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