Primes formed from a concatenation of 2 and 3^k for some k.

A068714

Primes formed from a concatenation of 2 and 3^k for some k.

Terms

    a(0) =23a(1) =29a(2) =227a(3) =281a(4) =2243a(5) =2729a(6) =26561a(7) =219683a(8) =24782969a(9) =210460353203

External references