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A071612
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a(n) is the smallest prime such that it is the first of n consecutive primes which are all emirps.
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1
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13, 13, 71, 733, 1193, 1193, 1193, 1193, 1193, 1193, 1477271183, 9387802769
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 1193,1201,1213,1217,1223,1229,1231,1237,1249,1259 are ten consecutive primes which are all emirps and 1193,1201,1213,1217,1223 is the first occurrence of five consecutive primes which are all emirps, so a(5) = a(6) = a(7) = a(8) = a(9) = a(10) = 1193.
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CROSSREFS
| Cf. A006567, A070905, A071614, A103172.
Sequence in context: A147187 A147069 A146471 * A059796 A112230 A121932
Adjacent sequences: A071609 A071610 A071611 * A071613 A071614 A071615
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KEYWORD
| base,more,nonn
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AUTHOR
| Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 27 2002
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EXTENSIONS
| By studying terms of the sequence A103172 we can deduce that a(11), a(12) are 1477271183 & 9387802769. - Farideh Firoozbakht, Jun 17 2010
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