-7880

Appears in sequences

• Expansion of a modular function.at n=18A006707
• arcsin(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+230/6!*x^6-7880/8!*x^8...at n=3A012556
• sinh(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+230/6!*x^6-7880/8!*x^8...at n=3A012560