sech(arcsin(x)-tanh(x))=1-90/6!*x^6+1176/8!*x^8-185094/10!*x^10...

A013429

sech(arcsin(x)-tanh(x))=1-90/6!*x^6+1176/8!*x^8-185094/10!*x^10...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =-90a(4) =1176a(5) =-185094a(6) =6953628a(7) =-2271831562a(8) =113771489552

External references