1,2

Six terms found and primes proved by PrimeForm ([N+1, Brillhart-Lehmer-Selfridge]). 3*6238^6238-1 has 23674 digits. No more terms <= 8800.

Cf. A118306, A110931.

Sequence in context: A074740 A135068 A144690 this_sequence A139629 A057497 A063627

Adjacent sequences: A118302 A118303 A118304 this_sequence A118306 A118307 A118308

hard,more,nonn

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Apr 22 2006