PRP in base 59 and 61 For 129^n-128^n, I found hitherto: 129^2-128^2 129^3-128^3 129^71-128^71 129^79-128^79 129^347-128^347 129^409-128^409 129^463-128^463 129^631-128^631 129^15443-128^15443
To be completed...