Let q = p | p' be the digit concatenation of a prime p with its prime successor. If the result is a prime repeat the construction setting p = q. a(n) is the smallest prime for which this can be repeated exactly n times.
A334885
Let q = p | p' be the digit concatenation of a prime p with its prime successor. If the result is a prime repeat the construction setting p = q. a(n) is the smallest prime for which this can be repeated exactly n times.
Terms
- a(0) =3a(1) =2a(2) =13681a(3) =467a(4) =127787377a(5) =200603842261
External references
- oeis: A334885