Primes such that the outer 2 digits are n and n+1 and all inner digits are 2, where 0 < n < 9.
A108819
Primes such that the outer 2 digits are n and n+1 and all inner digits are 2, where 0 < n < 9.
Terms
- a(0) =223a(1) =829a(2) =822229a(3) =22222223a(4) =822222229a(5) =22222222223
External references
- oeis: A108819