Define a(0)=3; then a(n)=k*a(n-1)^2-1=least prime first of twin primes.

A112879

Define a(0)=3; then a(n)=k*a(n-1)^2-1=least prime first of twin primes.

Terms

    a(0) =3a(1) =107a(2) =206081

External references