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Search: id:A046233
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| A046233 |
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Numbers n such that n^3 is palindromic in base 5. |
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+0
6
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| 0, 1, 6, 26, 126, 626, 3126, 15626, 78126, 390626, 1953126, 9765626, 48828126, 244140626, 1220703126, 6103515626, 30517578126, 152587890626, 762939453126, 3814697265626, 19073486328126, 95367431640626, 476837158203126
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OFFSET
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1,3
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COMMENT
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Note that '626' is itself palindromic.
Contains all A034474(n), n>=1, as a subset because (5^n+1)^3=5^(3n)+3*5^(2n)+3*5^n+1 is a symmetric string 100..00300..00300..001 in base 5. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 31 2008]
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LINKS
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P. De Geest, World!Of Numbers
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CROSSREFS
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Cf. A046234.
Adjacent sequences: A046230 A046231 A046232 this_sequence A046234 A046235 A046236
Sequence in context: A113991 A124465 A046647 this_sequence A140231 A144037 A100308
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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), May 15, 1998.
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EXTENSIONS
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More terms from Megan Francis (mkf5011(AT)psu.edu), Nov 15 2005
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