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A029975
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Palindromic primes in base 7.
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3
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2, 3, 5, 71, 107, 157, 257, 271, 307, 2549, 2647, 2801, 3347, 3697, 3851, 4201, 4397, 4649, 4951, 5399, 5651, 5749, 5903, 6449, 6701, 7451, 7703, 8053, 8501, 8753, 9103, 9551, 10007, 10357, 10903, 11057, 11953, 12157, 12409, 13109
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| P. De Geest, World!Of Palindromic Primes
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MATHEMATICA
| f[n_]:=FromDigits[RealDigits[n, 7][[1]]]==FromDigits[Reverse[RealDigits[n, 7][[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
| Sequence in context: A084839 A103110 A042239 * A042787 A041131 A084960
Adjacent sequences: A029972 A029973 A029974 * A029976 A029977 A029978
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KEYWORD
| nonn,base
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com)
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