OFFSET
0,5
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..200
EXAMPLE
arcsin(arctan(x)) - arctan(arcsin(x)) = -1/30*x^7 + 13/756*x^9 - 2329/75600*x^11 + 3749/199584*x^13 - 1405132357/54486432000*x^15 + ...
MATHEMATICA
With[{nn=40}, Numerator[Take[CoefficientList[Series[ArcSin[ArcTan[x]] - ArcTan[ArcSin[x]], {x, 0, nn}], x], {2, -1, 2}]]] (* Harvey P. Dale, Dec 07 2011 *)
CROSSREFS
KEYWORD
sign,frac
AUTHOR
N. J. A. Sloane, Aug 15 2004
STATUS
approved