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Search: id:A001480
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| A001480 |
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Numbers y such that p = x^2 + 3y^2 for Cuban primes p = A007645(n)
(Formerly M0142 N0057)
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+0
3
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| 1, 1, 2, 1, 3, 2, 3, 2, 1, 4, 5, 4, 1, 6, 3, 5, 7, 6, 7, 2, 8, 1, 7, 3, 6, 8, 5, 6, 3, 9, 8, 5, 4, 10, 11, 2, 11, 6, 4, 10, 12, 9, 12, 11, 1, 9, 13, 2, 7, 13, 4, 12, 13, 14, 11, 7, 9, 10, 4, 15, 14, 9, 6
(list; graph; listen)
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OFFSET
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1,3
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REFERENCES
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A. J. C. Cunningham, Quadratic Partitions. Hodgson, London, 1904, p. 1.
B. van der Pol and P. Speziali, The primes in k(p). Nederl. Akad. Wetensch. Proc. Ser. A. {54} = Indagationes Math. 13, (1951). 9-15 (1 plate).
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1000
S. R. Finch, Powers of Euler's q-Series, (arXiv:math.NT/0701251).
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CROSSREFS
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Cf. A001479.
Sequence in context: A060162 A026730 A075256 this_sequence A110917 A070956 A007828
Adjacent sequences: A001477 A001478 A001479 this_sequence A001481 A001482 A001483
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KEYWORD
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nonn,easy,nice
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AUTHOR
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njas
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