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A101218 Primes that are a concatenation of 2, 3 and a prime. +0
6
233, 2311, 2341, 2347, 2371, 2383, 2389, 23131, 23167, 23173, 23197, 23227, 23251, 23269, 23293, 23311, 23431, 23509, 23557, 23563, 23593, 23599, 23677, 23719, 23743, 23761, 23773, 23827, 23857, 23887, 23911, 23929, 23971, 23977, 231019 (list; graph; listen)
OFFSET

1,1

LINKS

Peter Alfeld The 10,000 smallest prime numbers.

EXAMPLE

233 is a prime concatenated from the primes 2,3 and 3

2311 is a prime concatenated from the primes 2,3 and 11

CROSSREFS

Cf. A100607, A101219, A101249, A101250, A101251, A101252.

Sequence in context: A003537 A037033 A028474 this_sequence A036209 A077803 A049857

Adjacent sequences: A101215 A101216 A101217 this_sequence A101219 A101220 A101221

KEYWORD

nonn,base,easy

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 14 2004

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 22, 2004

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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