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arcsin(tan(arcsinh(x)))=x+2/3!*x^3+24/5!*x^5+720/7!*x^7+48000/9!*x^9...
0

%I #4 Feb 24 2012 12:50:42

%S 1,2,24,720,48000,4896000,804480000,175037491200,53010886656000,

%T 19962353688576000,9637819435745280000,5576675932580413440000,

%U 3929711821948633743360000,3235566861687414718464000000

%N arcsin(tan(arcsinh(x)))=x+2/3!*x^3+24/5!*x^5+720/7!*x^7+48000/9!*x^9...

%K nonn

%O 0,2

%A Patrick Demichel (patrick.demichel(AT)hp.com)