Primes such that replacing each digit d with d copies of the digit d produces a prime. Zeros are not allowed.
A057628
Primes such that replacing each digit d with d copies of the digit d produces a prime. Zeros are not allowed.
Terms
- a(0) =11a(1) =31a(2) =53a(3) =131a(4) =149a(5) =223a(6) =283a(7) =311a(8) =313a(9) =331a(10) =397a(11) =463a(12) =641a(13) =691a(14) =937a(15) =941a(16) =1439a(17) =1511a(18) =1741a(19) =1871a(20) =1949a(21) =1993a(22) =1999a(23) =2111a(24) =2447a(25) =2939a(26) =3163a(27) =3391a(28) =3433a(29) =3499
External references
- oeis: A057628