Smallest prime containing exactly n 2's.

A037057

Smallest prime containing exactly n 2's.

Terms

    a(0) =3a(1) =2a(2) =223a(3) =2221a(4) =22229a(5) =1222229a(6) =20222227a(7) =22222223a(8) =222222227a(9) =20222222221a(10) =22222222223

External references