a(1) = 1, a(n) = smallest prime of the form k*a(n-1)+1 starting with n.

A077520

a(1) = 1, a(n) = smallest prime of the form k*a(n-1)+1 starting with n.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =43a(4) =5333a(5) =63997a(6) =7551647a(7) =815577877a(8) =913447222241

External references