arctanh(sinh(x)+arcsin(x))=2*x+18/3!*x^3+938/5!*x^5+122066/7!*x^7...

A013040

arctanh(sinh(x)+arcsin(x))=2*x+18/3!*x^3+938/5!*x^5+122066/7!*x^7...

Terms

    a(0) =2a(1) =18a(2) =938a(3) =122066a(4) =29635154a(5) =11561687346

External references