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A069677
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Primes with either no internal digits or all internal digits are 2.
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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, 127, 223, 227, 229, 421, 521, 523, 727, 821, 823, 827, 829, 929, 1223, 1229, 2221, 3221, 3229, 4229, 5227, 6221, 6229, 7229, 8221, 9221, 9227, 12227, 22229, 42221
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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CROSSREFS
| Cf. A069675, A069676, A069678, A069679, A069680, A069681, A069682, A069683, A069684.
Sequence in context: A069676 A062353 A077390 * A069678 A069679 A069680
Adjacent sequences: A069674 A069675 A069676 * A069678 A069679 A069680
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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
| Corrected by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 24 2003
Offset corrected and name changed by Arkadiusz Wesolowski, Sep 07 2011
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