Leyland primes: 3, together with primes of form x^y + y^x, for x > y > 1.

A094133

Leyland primes: 3, together with primes of form x^y + y^x, for x > y > 1.

Terms

    a(0) =3a(1) =17a(2) =593a(3) =32993a(4) =2097593a(5) =8589935681

External references