Im looking for some references here. I hope it is the right place to ask.
I need to find a table of (or a formula from which to extrapolate) the matrix elements of the radial functions of the hydrogen atom evaluated in powers of $r$ for both diagonal and off-diagonal elements. That is, I need this guys:
I found this article http://iopscience.iop.org/0953-4075/28/3/007 which is great, but Im looking for something more textbook-like, say suited for undergrad. I especially need positive powers until k=4.
Any help is very appreciated.