First PRP of the form 215^n-216.
Tested with PFGW 3.8.3:
Primality testing 215^22342-216 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 23, base 1+sqrt(23)
215^22342-216 is Fermat and Lucas PRP!

To be completed...