arctanh(tan(sin(x)))=x+3/3!*x^3+41/5!*x^5+1467/7!*x^7+100625/9!*x^9...
A012147
arctanh(tan(sin(x)))=x+3/3!*x^3+41/5!*x^5+1467/7!*x^7+100625/9!*x^9...
Terms
- a(0) =1a(1) =3a(2) =41a(3) =1467a(4) =100625a(5) =11103155a(6) =1795927225a(7) =400540116971
External references
- oeis: A012147