E.g.f.: arctan(cosh(x)*tan(x))=x+3/3!*x^3-35/5!*x^5-1057/7!*x^7+59865/9!*x^9...
A012767
E.g.f.: arctan(cosh(x)*tan(x))=x+3/3!*x^3-35/5!*x^5-1057/7!*x^7+59865/9!*x^9...
Terms
- a(0) =1a(1) =3a(2) =-35a(3) =-1057a(4) =59865a(5) =5446683a(6) =-726781835a(7) =-133713611977
External references
- oeis: A012767