PFGW Version 4.1.3.64BIT.20240114.x86_Dev [GWNUM 30.19]
Primality testing 155630^1971+1971^155630 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 17
Running N+1 test using discriminant 29, base 16+sqrt(29)
Calling N-1 BLS with factored part 0.00% and helper 0.00% (0.01% proof)
155630^1971+1971^155630 is Fermat and Lucas PRP! (22495.5718s+0.0228s)

Leyland PRP
See also https://pzktupel.de/Primetables/TableLeyland1.php

To be completed...