-66045

Appears in sequences

• sec(arcsin(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+107/4!*x^4-490/5!*x^5...at n=7A012909
• Expansion of Sum_{k>0} x^(4*k)/(1+x^k)^5.at n=36A363618