After my second find, I really did not think that I would generate another example in my current search space. However, at the upper end of that space:
194968^136197+1*136197^194968 is 3-PRP!
This is now the 14th largest-known Leyland prime. Ryan Propper owns the largest 13:
19 million-digit Leyland primes (via Norman Luhn); n-th Leyland + 1 = A076980 index |
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