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A030472 Primes which when concatenated with next 3 primes are also prime. +0
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 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A139864 A139861 A065721 this_sequence A106998 A107214 A046848

Adjacent sequences: A030469 A030470 A030471 this_sequence A030473 A030474 A030475

KEYWORD

nonn

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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