Although there's no official definition of a Riesel prime mostly all primes of the form k•2n-1 with 2n > k are called like this on many pages.
Different from this definition all values n ≥ 1 are listed in Prime-Wiki.
- Riesel problem
- Riesel and Proth Prime Database
- Table with all available k-values
- Table with all k < 300