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Search: id:A029973
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| A029973 |
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Palindromic primes in base 5. |
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+0 4
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| 2, 3, 31, 41, 67, 83, 109, 701, 911, 1091, 1171, 1277, 1327, 1667, 1847, 2083, 2213, 2293, 2423, 2473, 2579, 2659, 2789, 2969, 3049, 16001, 16651, 19531, 20431, 21481, 23311, 23561, 24611, 25391, 26041, 27091, 28921, 30871, 31121
(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, 5][[1]]]==FromDigits[Reverse[RealDigits[n, 5][[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: A155056 A110456 A128348 this_sequence A054551 A049065 A128030
Adjacent sequences: A029970 A029971 A029972 this_sequence A029974 A029975 A029976
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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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