sin(tanh(x)+arctan(x))=2*x-12/3!*x^3+232/5!*x^5-8960/7!*x^7...

A013141

sin(tanh(x)+arctan(x))=2*x-12/3!*x^3+232/5!*x^5-8960/7!*x^7...

Terms

    a(0) =2a(1) =-12a(2) =232a(3) =-8960a(4) =580480a(5) =-57192960a(6) =8028368896

External references