Initial prime of a prime chain of length n under the iteration x->5x+4.

A084960

Initial prime of a prime chain of length n under the iteration x->5x+4.

Terms

    a(0) =2a(1) =3a(2) =5a(3) =83a(4) =263a(5) =5333a(6) =5333a(7) =6714497a(8) =42360737a(9) =3757699889a(10) =3757699889

External references