Primes p such that p + 1 or p - 1 is a concatenation of successive even numbers starting from 2.
A210734
Primes p such that p + 1 or p - 1 is a concatenation of successive even numbers starting from 2.
Terms
- a(0) =3a(1) =23a(2) =2467a(3) =246809a(4) =246811
External references
- oeis: A210734