sinh(tan(arctanh(x)))=x+5/3!*x^3+121/5!*x^5+6621/7!*x^7+636337/9!*x^9...
A012179
sinh(tan(arctanh(x)))=x+5/3!*x^3+121/5!*x^5+6621/7!*x^7+636337/9!*x^9...
Terms
- a(0) =1a(1) =5a(2) =121a(3) =6621a(4) =636337a(5) =94260341a(6) =19853570985
External references
- oeis: A012179