OFFSET
0,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..200
EXAMPLE
arcsin(arctan(x)) = x - 1/6*x^3 + 13/120*x^5 - 341/5040*x^7 + 18649/362880*x^9 - 177761/4435200*x^11 + ...
MATHEMATICA
Numerator[Take[CoefficientList[Series[ArcSin[ArcTan[x]], {x, 0, 50}], x], {2, -1, 2}]] (* G. C. Greubel, Nov 17 2016 *)
CROSSREFS
KEYWORD
sign,frac
AUTHOR
N. J. A. Sloane, Aug 15 2004
STATUS
approved