Primes p such that p^2 divides 3^p - 2^p - 1; or primes in A127074.

A130060

Primes p such that p^2 divides 3^p - 2^p - 1; or primes in A127074.

Terms

    a(0) =2a(1) =3a(2) =7a(3) =179a(4) =619a(5) =17807

External references