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A030472
Primes which when concatenated with next 3 primes are also prime.
2
2, 67, 83, 139, 149, 383, 503, 557, 577, 587, 601, 613, 727, 937, 1181, 1259, 1451, 1453, 1489, 1531, 1621, 1657, 1831, 1879, 1907, 2269, 2441, 2531, 2897, 3191, 3709, 3779, 4057, 4153, 4373, 4603, 4871, 5197, 5233, 5261, 5279, 5417, 5711
OFFSET
1,1
LINKS
CROSSREFS
Cf. A000040.
Sequence in context: A131604 A139861 A065721 * A106998 A275114 A217599
KEYWORD
nonn,base
STATUS
approved