a(n) is the least prime that is the concatenation of two primes in exactly n different ways.
A173935
a(n) is the least prime that is the concatenation of two primes in exactly n different ways.
Terms
- a(0) =2a(1) =23a(2) =313a(3) =3137a(4) =233347a(5) =739397a(6) =379837313a(7) =73932013313
External references
- oeis: A173935