A030468 Primes which when concatenated with next two primes are also prime.

5, 11, 17, 31, 41, 89, 229, 239, 263, 307, 313, 317, 353, 359, 383, 389, 401, 409, 439, 449, 563, 619, 701, 761, 773, 787, 797, 827, 907, 929, 1061, 1163, 1409, 1447, 1579, 1597, 1619, 1621, 1637, 1697, 1877, 1933, 2011, 2029, 2129, 2131

Offset: 1

Author

Patrick De Geest

Keywords

• nonn
• base

Links

• Paolo P. Lava, Table of n, a(n) for n = 1..2500

Crossrefs

Cf. A000040.