Primes of the form identical odd digits followed by a 1.

A089346

Primes of the form identical odd digits followed by a 1.

Terms

    a(0) =11a(1) =31a(2) =71a(3) =331a(4) =991a(5) =3331a(6) =33331a(7) =99991a(8) =333331a(9) =3333331a(10) =9999991a(11) =33333331a(12) =555555555551

External references