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A009472
Expansion of sin(sin(tan(x))).
0
1, 0, -12, -248, -3504, 115904, 17130688, 265254272, -452604387072, -186145181366272, -61549828575435776, -19962789503984048128, -6701962036325158170624, -2365314657819650153562112
OFFSET
0,3
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sin[Sin[Tan[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Apr 15 2018 *)
CROSSREFS
Sequence in context: A220216 A126687 A064749 * A012066 A239777 A245919
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Prior Mathematica program replaced by Harvey P. Dale, Apr 15 2018
STATUS
approved