Bases 152, 153, 154, 155, 156, 158, 159, and 160 and done to n=100000 and released.

New PRPs:

(155^92479-1)/154 (202558 digits)
(156^46877-1)/155 (102805 digits)
(156^51203-1)/155 (112293 digits)
(156^82393-1)/155 (180696 digits)

To be completed...