Found with PFGW Version 3.6.0

155^4914-4914^155 is 2-PRP! (4.9234s+0.0033s)
155^4914-4914^155 is 3-PRP! (4.9241s+0.0030s)
155^4914-4914^155 is 5-PRP! (4.9190s+0.0030s)
155^4914-4914^155 is 7-PRP! (4.9162s+0.0017s)
155^4914-4914^155 is 11-PRP! (4.9287s+0.0016s)

Primality testing 155^4914-4914^155 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Running N+1 test using discriminant 17, base 6+sqrt(17)
Calling N-1 BLS with factored part 0.15% and helper 0.08% (0.53% proof)
155^4914-4914^155 is Fermat and Lucas PRP! (24.5638s+0.0034s)

To be completed...