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Search: id:A029977
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| A029977 |
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Palindromic primes in base 9. |
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+0
4
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| 2, 3, 5, 7, 109, 127, 173, 191, 227, 337, 373, 419, 601, 619, 683, 701, 719, 6967, 7129, 7867, 8443, 9181, 9343, 10333, 10657, 11071, 11971, 12547, 13033, 13367, 13691, 14843, 15581, 16319, 16481, 17957, 18119, 18371, 19433, 27067, 27967
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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P. De Geest, World!Of Palindromic Primes
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MATHEMATICA
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f[n_]:=FromDigits[RealDigits[n, 9][[1]]]==FromDigits[Reverse[RealDigits[n, 9][[1]]]]; lst={}; Do[p=Prime[n]; If[f[p], AppendTo[lst, p]], {n, 8!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 10 2009]
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CROSSREFS
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Sequence in context: A092908 A050784 A030150 this_sequence A052019 A006341 A086107
Adjacent sequences: A029974 A029975 A029976 this_sequence A029978 A029979 A029980
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com)
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