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A009662 Expansion of tan(sin(x))*cos(x). 0
1, -2, -8, -16, 2304, 68352, -843776, -221382656, -9865887744, 888186732544, 200433787207680, 8060855544971264, -3814697273321848832, -890946236332166348800, 9668703713250158575616 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Tan[Sin[x]]*Cos[x], {x, 0, nn}], x] Range[0, nn-1]!, {2, -1, 2}]] (* Harvey P. Dale, Dec 06 2015 *)
CROSSREFS
Sequence in context: A101658 A308613 A006573 * A279243 A162218 A103086
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Prior Mathematica program replaced by Harvey P. Dale, Dec 06 2015
STATUS
approved

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Last modified March 4 23:31 EST 2024. Contains 370537 sequences. (Running on oeis4.)