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A002368
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y such that p^2 = x^2 + 3y^2, p is Cuban prime A007645(n), and y > 0.
(Formerly M3228 N1337)
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1
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4, 4, 8, 12, 20, 24, 28, 16, 40, 20, 56, 20, 12, 60, 80, 28, 84, 56, 52, 16, 28, 112, 84, 132, 112, 140, 156, 96, 144, 176, 160, 136, 140, 44, 76, 88, 204, 152, 220, 24, 252, 120, 220, 44, 288
(list; graph; refs; listen; history; internal format)
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OFFSET
| 2,1
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REFERENCES
| A. J. C. Cunningham, Quadratic and Linear Tables. Hodgson, London, 1927, pp. 77-79.
D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 60.
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. A002367.
Sequence in context: A003829 A194697 A194696 * A022087 A095294 A190100
Adjacent sequences: A002365 A002366 A002367 * A002369 A002370 A002371
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Name improved and offset changed by T. D. Noe (noe(AT)sspectra.com), Apr 13 2010
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