|
|
A091198
|
|
Numerators of Taylor series expansion of 3*sin(2*x)/(2*(2+cos(2*x))) (with 0's omitted).
|
|
1
|
|
|
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;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
REFERENCES
|
G. H. Hardy, A Course of Pure Mathematics, 9th ed., 1944, p. 291.
|
|
LINKS
|
|
|
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+...
|
|
MATHEMATICA
|
Numerator[Take[CoefficientList[Series[(3Sin[2x])/(2(2+Cos[2x])), {x, 0, 50}], x], {2, -1, 2}]] (* Harvey P. Dale, Apr 09 2012 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
sign,frac
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|