-549115904

Appears in sequences

• Expansion of e.g.f.: exp(arctan(sin(x)))=1+x+1/2!*x^2-2/3!*x^3-11/4!*x^4+16/5!*x^5...at n=13A012185
• E.g.f. sinh(arctan(sin(x))) odd powers only.at n=6A012188