tan(sec(x)*arcsinh(x))=x+4/3!*x^3+80/5!*x^5+3176/7!*x^7+240128/9!*x^9...
A012824
tan(sec(x)*arcsinh(x))=x+4/3!*x^3+80/5!*x^5+3176/7!*x^7+240128/9!*x^9...
Terms
- a(0) =1a(1) =4a(2) =80a(3) =3176a(4) =240128a(5) =26523264a(6) =4329123968a(7) =926411177472
External references
- oeis: A012824