|
| |
|
|
A006704
|
|
Solution to Pellian: x such that x^2 - n y^2 = +- 1, +- 4.
(Formerly M0119)
|
|
4
| |
|
|
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; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,3
|
|
|
REFERENCES
| 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.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
|
CROSSREFS
| Cf. A006705.
Sequence in context: A120898 A153910 A052532 * A006702 A129394 A199599
Adjacent sequences: A006701 A006702 A006703 * A006705 A006706 A006707
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
| |
|
|
