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Search: id:A002647
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| A002647 |
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Sextan primes: p = (x^6 + y^6 )/(x^2 + y^2 ).
(Formerly M4900 N2100)
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+0
1
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| 13, 61, 73, 193, 241, 541, 601, 1021, 1801, 1873, 1933, 2221, 3121, 3361, 4993, 5521, 6481, 8461, 9181, 9901, 10993, 11113, 12241, 12541, 13633, 14173, 17761, 20593, 21433, 21661, 21841, 23773, 26113, 27901, 28393, 29101, 34141, 41161, 49201
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
A. J. C. Cunningham, Binomial Factorisations, Vols. 1-9, Hodgson, London, 1923-1929; see Vol. 1, pp. 245-259.
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CROSSREFS
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Adjacent sequences: A002644 A002645 A002646 this_sequence A002648 A002649 A002650
Sequence in context: A126400 A146764 A145474 this_sequence A118711 A028874 A087106
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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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EXTENSIONS
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More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Jun 03 2009
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