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A167517
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Emirps (A007500) which are concatenation of three consecutive primes (A030469).
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4
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353359367, 193319491951, 334733593361, 344934573461, 346734693491, 732173317333, 902990419043, 104591046310477, 133091331313327, 141591417314177, 146571466914683, 150131501715031, 154431545115461
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OFFSET
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1,1
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COMMENTS
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LINKS
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FORMULA
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PROG
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(PARI) for(i=1, 9999, isprime(eval(p=Str(prime(i), prime(i+1), prime(i+2)))) & isprime(eval(concat(vecextract(Vec(p), "-1..1"))))& print1(p, ", "))
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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