-11240

Appears in sequences

• tan(sinh(x)*arctan(x))=2/2!*x^2-4/4!*x^4+350/6!*x^6-11240/8!*x^8...at n=3A012557
• arctanh(sinh(x)*arctan(x)) = 2/2!*x^2 - 4/4!*x^4 + 350/6!*x^6 - 11240/8!*x^8 + ...at n=4A012562