The Wright omega function
> | omega := proc(z) LambertW(exp(z)); end; |
> | normal(pmint(omega(x),x)); |
> | f := (1 + omega(x) * (2 + cos(omega(x)) * (x + omega(x)))) / (1 + omega(x)) / (x + omega(x)); |
> | pmint(f,x); |
This one is also beyond Maple
> | int(f,x); |
> |
> |