Smallest palindromic prime containing exactly n 2's.

A083973

Smallest palindromic prime containing exactly n 2's.

Terms

    a(0) =2a(1) =12421a(2) =72227a(3) =1221221a(4) =3222223a(5) =122232221a(6) =322222223a(7) =12222122221

External references