# Can I compute with newforms OEIS A116418 Expansion of a newform level 18 weight 3 and character [3]?

Can I compute with newforms OEIS A116418 Expansion of a newform level 18 weight 3 and character [3]

Read the documentation but couldn't find how to describe the newform.

Using pari and the generating function I can compute it, but am interested in the newform method.