PRP in base 59 and 61

For (151^n-1)/150, I found hitherto:
(151^13-1)/150
(151^29-1)/150
(151^127-1)/150
(151^4831-1)/150, discoverer Lelio R Paula
(151^5051-1)/150, discoverer Lelio R Paula
(151^13249-1)/150, discoverer Patrick Schmeer
(151^18251-1)/150

To be completed...