Primes p such that replacing any single decimal digit d with 3*d produces another prime (obviously p can contain only digits 0, 1, 2 or 3).
A193890
Primes p such that replacing any single decimal digit d with 3*d produces another prime (obviously p can contain only digits 0, 1, 2 or 3).
Terms
- a(0) =11a(1) =311a(2) =1301a(3) =10133a(4) =1030031
External references
- oeis: A193890