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A091198
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Numerators of Taylor series expansion of 3*sin(2*x)/(2*(2+cos(2*x))) (with 0's omitted).
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1
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1, 0, -4, -8, -4, 8, 2152, 2512, 13111268, -395176, -82924456, -13555899088, -2631923234888, 37752874672, 216345498683758064, 99819297900260128, 41627318132855276, -183304161420546414632, -9525824788653159417913288, -9237738179906235615568, -362496161669176865866257860344
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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REFERENCES
| G. H. Hardy, A Course of Pure Mathematics, 9-th ed., 1944, p. 291.
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LINKS
| G. H. Hardy, A Course of Pure Mathematics, Cambridge, The University Press, 1908.
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EXAMPLE
| 3*sin(2*x)/(2*(2+cos(2*x))) = x-4/45*x^5-8/189*x^7-4/405*x^9+8/31185*x^11+...
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CROSSREFS
| Cf. A091197.
Sequence in context: A055026 A205681 A059163 * A200641 A165267 A092159
Adjacent sequences: A091195 A091196 A091197 * A091199 A091200 A091201
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KEYWORD
| sign,frac
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Feb 23 2004
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