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Search: id:A002146
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| A002146 |
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Smallest prime == 7 mod 8 where Q(sqrt -p) has class number 2n+1.
(Formerly M4377 N1841)
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+0
3
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| 7, 23, 47, 71, 199, 167, 191, 239, 383, 311, 431, 647, 479, 983, 887, 719, 839, 1031, 1487, 1439, 1151, 1847, 1319, 3023, 1511, 1559, 2711, 4463, 2591, 2399, 3863, 2351, 3527, 3719
(list; graph; listen)
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OFFSET
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0,1
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REFERENCES
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D. A. Buell, Binary Quadratic Forms. Springer-Verlag, NY, 1989, pp. 224-241.
R. B. Lakein and S. Kuroda, Tables of class numbers h(-p) for fields Q(sqrt(-p)), p<= 465071, Math. Comp., 24 (1970), 491-492.
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LINKS
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David Broadhurst and T. D. Noe, Table of n, a(n) for n=0..28603
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CROSSREFS
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Cf. A002147, A002143 (class numbers)
Sequence in context: A000353 A097149 A139035 this_sequence A073577 A139830 A101789
Adjacent sequences: A002143 A002144 A002145 this_sequence A002147 A002148 A002149
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KEYWORD
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nonn
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AUTHOR
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njas, Mira Bernstein (mira(AT)math.berkeley.edu)
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