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A069678
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Primes with either no internal digits or all internal digits are 3.
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9
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2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 131, 137, 139, 233, 239, 331, 337, 431, 433, 439, 631, 733, 739, 839, 937, 2333, 2339, 3331, 4337, 4339, 5333, 6337, 7331, 7333, 9337, 13331, 13337, 13339, 23333, 23339
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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CROSSREFS
| Cf. A069675, A069676, A069677, A069679, A069680, A069681, A069682, A069683, A069684.
Sequence in context: A062353 A077390 A069677 * A069679 A069680 A069681
Adjacent sequences: A069675 A069676 A069677 * A069679 A069680 A069681
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KEYWORD
| nonn,base
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 06 2002
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EXTENSIONS
| Offset corrected and name changed by Arkadiusz Wesolowski, Sep 07 2011
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