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Search: id:A006704
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| A006704 |
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Solution to Pellian: x such that x^2 - n y^2 = +- 1, +- 4.
(Formerly M0119)
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+0
4
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| 1, 1, 2, 1, 2, 5, 8, 2, 1, 3, 10, 7, 3, 15, 4, 1, 4, 17, 170, 4, 5, 197, 24, 5, 1, 5, 26, 16, 70, 11, 1520, 6, 23, 35, 6, 1, 6, 37, 25, 6, 32, 13, 3482, 20, 4, 24335, 6, 7, 1, 7, 50, 36, 182, 485, 89
(list; graph; listen)
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OFFSET
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1,3
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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).
A. Cayley, Report of a committee appointed for the purpose of carrying on the tables connected with the Pellian equation ..., Collected Mathematical Papers. Vols. 1-13, Cambridge Univ. Press, London, 1889-1897, Vol. 13, pp. 430-443.
C. F. Degen, Canon Pellianus. Hafniae, Copenhagen, 1817.
D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 55.
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CROSSREFS
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Cf. A006705.
Sequence in context: A120898 A153910 A052532 this_sequence A006702 A129394 A049901
Adjacent sequences: A006701 A006702 A006703 this_sequence A006705 A006706 A006707
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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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