-107820971

Appears in sequences

• Expansion of e.g.f. sin(tan(x)+arcsin(x)) (odd powers only).at n=6A012949
• exp(tanh(x)+arcsinh(x)) = 1+2*x+4/2!*x^2+5/3!*x^3-8/4!*x^4-63/5!*x^5...at n=13A013154