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A002346
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Consider all primes of form p = (x^2 + 11y^2 )/4; sequence gives values of x.
(Formerly M2206 N0877)
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2
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1, 3, 0, 9, 5, 7, 12, 6, 15, 13, 3, 9, 17, 4, 21, 3, 23, 16, 21, 25, 15, 20, 1, 5, 27, 18, 30, 12, 19, 27, 35, 9, 37, 25, 39, 15, 2, 30, 24, 10, 29, 21, 39, 31, 3, 43, 40, 45, 15, 47, 48, 36, 42, 1, 7, 45, 41, 27, 51, 13, 24, 17, 19, 51, 53, 23, 38, 54, 3, 49, 29, 45
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,2
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REFERENCES
| A. J. C. Cunningham, Quadratic Partitions. Hodgson, London, 1904, p. 1.
D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 55.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
| Cf. A002347, A056874.
Sequence in context: A159760 A021101 A154202 * A021327 A167313 A104780
Adjacent sequences: A002343 A002344 A002345 * A002347 A002348 A002349
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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