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A009657 Expansion of tan(sin(sin(x))). 0
1, 0, -12, 88, 4176, -238912, -1798976, 1359954560, -82934087424, -12122717059072, 3176281608315904, -22431206333925376, -144730933261140701184, 27574419119401032040448, 6996748839515967274205184 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Tan[Sin[Sin[x]]], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Jan 15 2020 *)
CROSSREFS
Sequence in context: A155635 A126507 A181704 * A012088 A083825 A181944
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Previous Mathematica program replaced by Harvey P. Dale, Jan 15 2020
STATUS
approved

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)