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A028938
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Numerator of y coordinate of (2n+1)*P where P is generator for rational points on curve y^2+y = x^3-x.
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0
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0, 3, -14, 69, 2065, -28888, 2616119, -332513754, 8280062505, 18784454671297, -10663732503571536, 8938035295591025771, 31636113722016288336230, -41974401721854929811774227, 754388827236735824355996347601
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OFFSET
| 0,2
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REFERENCES
| B. Mazur, Arithmetic on curves, Bull. Amer Math. Soc. 14 (1986), 207-259; see p 225.
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FORMULA
| P=(0, 0), 2P=(1, 0), if kP=(a, b) then (k+1)P=(a'=(b^2-a^3)/a^2, b'=1-b*a'/a).
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CROSSREFS
| Sequence in context: A190725 A151325 A020065 * A038213 A161939 A001579
Adjacent sequences: A028935 A028936 A028937 * A028939 A028940 A028941
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KEYWORD
| sign
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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