Numbers k such that the smoothly undulating palindromic number (31*10^k - 13)/99 is a prime.

A062216

Numbers k such that the smoothly undulating palindromic number (31*10^k - 13)/99 is a prime.

Terms

    a(0) =3a(1) =51a(2) =83a(3) =225a(4) =561a(5) =10419a(6) =18255a(7) =43869

External references