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A009513
sin(tan(x)*sin(x))=2/2!*x^2+4/4!*x^4-58/6!*x^6-1976/8!*x^8...
2
0, 2, 4, -58, -1976, -125878, -9435956, -836433778, -89733620336, -11137238248558, -1522227026225516, -206921536362952618, -18449844567266861096, 5345369219895500654042, 5647561940802724266444124
OFFSET
0,2
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sin[Tan[x]*Sin[x]], {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Aug 31 2017 *)
CROSSREFS
Sequence in context: A098626 A012370 A012366 * A242737 A018348 A001625
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs by Olivier Gérard, Mar 15 1997
Previous Mathematica program replaced by Harvey P. Dale, Aug 31 2017
STATUS
approved