arcsin(tan(tanh(x)))=x+1/3!*x^3+1/5!*x^5+169/7!*x^7+5857/9!*x^9...

A012170

arcsin(tan(tanh(x)))=x+1/3!*x^3+1/5!*x^5+169/7!*x^7+5857/9!*x^9...

Terms

    a(0) =1a(1) =1a(2) =1a(3) =169a(4) =5857a(5) =365905a(6) =48069217a(7) =6592812217

External references