Primes of the form 80*R_k + 3, where R_k is the repunit (A002275) of length k.
A093166
Primes of the form 80*R_k + 3, where R_k is the repunit (A002275) of length k.
Terms
- a(0) =3a(1) =83a(2) =883a(3) =88883a(4) =88888883a(5) =888888883
External references
- oeis: A093166