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A083978
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Smallest palindromic prime containing exactly n 7's.
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9
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7, 727, 72727, 77377, 1777771, 7772777, 17772727771, 777767777, 72777777727, 77777677777, 7767777777677, 7777774777777, 377777777777773, 777777727777777, 72777777777777727, 77777777677777777
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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CROSSREFS
| Cf. A083972, A083973, A083974, A083975, A083976, A083977, A083979, A083980, A083981.
Sequence in context: A098110 A062334 A201485 * A162138 A067448 A064571
Adjacent sequences: A083975 A083976 A083977 * A083979 A083980 A083981
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KEYWORD
| base,nonn
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AUTHOR
| Amarnath Murthy and Meenakshi Srikanth (amarnath_murthy(AT)yahoo.com), May 21 2003
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EXTENSIONS
| Corrected and extended by Ray G. Opao (1260(AT)email.com), Sep 08 2004
Corrected and extended by Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 08 2006
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