Primes that are the concatenation of n 1's, 2*n and n 1's.
A262399
Primes that are the concatenation of n 1's, 2*n and n 1's.
Terms
- a(0) =11411a(1) =111181111a(2) =111111011111
External references
- oeis: A262399
A262399
Primes that are the concatenation of n 1's, 2*n and n 1's.