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

1,1

Links

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

Crossrefs

Cf. A000040.

Sequence in context: A155882 A087373 A155030 * A277290 A085634 A157478

Adjacent sequences: A030465 A030466 A030467 * A030469 A030470 A030471

Keyword

nonn,base

Author

Patrick De Geest

Status

approved