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Search: id:A002971
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| A002971 |
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Numbers n such that 4.n^2 + 25 is prime.
(Formerly M0587)
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+0
1
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| 1, 2, 3, 4, 8, 9, 11, 12, 13, 14, 16, 17, 18, 21, 23, 26, 29, 34, 36, 37, 38, 47, 48, 49, 51, 53, 54, 56, 62, 63, 66, 67, 68, 69, 73, 74, 77, 79, 82, 83, 91, 99, 101, 102, 103, 107
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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E. Kogbetliantz and A. Krikorian, Handbook of First Complex Prime Numbers, Gordon and Breach, NY, 1971, p. 1.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
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Sequence in context: A079279 A045577 A111020 this_sequence A157318 A158031 A139461
Adjacent sequences: A002968 A002969 A002970 this_sequence A002972 A002973 A002974
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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