A173892 Numbers k such that k and k+6 are both balanced primes.

257, 1747, 3307, 5107, 5387, 6317, 6367, 12647, 13457, 14747, 15797, 15907, 17477, 18217, 19477, 23327, 26177, 30097, 30637, 53617, 56087, 62207, 63697, 71347, 75527, 77557, 78797, 80917, 82787, 83437, 84437, 89107, 89387, 91297, 94427, 95267

Offset: 1

Author

Juri-Stepan Gerasimov, Mar 01 2010

Keywords

• nonn

Comments

k-6, k, k+6, and k+12 are consecutive primes.

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A006562.

Cf. A054801. [From R. J. Mathar, Mar 29 2010]

Formula

a(n) = A033451(n) + 6.

Extensions

Corrected and rewritten by Charles R Greathouse IV, Mar 19 2010