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A101249
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Primes that are a concatenation of 5, 7 and a prime.
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5
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577, 5711, 5717, 5737, 5741, 5743, 5779, 5783, 57107, 57131, 57139, 57149, 57163, 57173, 57179, 57191, 57193, 57223, 57241, 57251, 57269, 57271, 57283, 57331, 57347, 57349, 57367, 57373, 57383, 57389, 57397, 57457, 57467, 57487, 57503
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Peter Alfeld The 10,000 smallest prime numbers.
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EXAMPLE
| 5711 is a prime concatenated from the primes 5,7 and 11.
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MATHEMATICA
| Select[ Table[ FromDigits[ Flatten[ IntegerDigits /@ {5, 7, Prime[n]}]], {n, 100}], PrimeQ[ # ] &] (from Robert G. Wilson v Dec 20 2004)
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CROSSREFS
| Cf. A100607, A101218, A101219, A101250, A101251, A101252.
Sequence in context: A158370 A031726 A154514 * A031612 A202011 A157264
Adjacent sequences: A101246 A101247 A101248 * A101250 A101251 A101252
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KEYWORD
| nonn,base,easy
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 16 2004
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EXTENSIONS
| Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net) and Robert G. Wilson v, Dec 22, 2004
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