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Search: id:A063571
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| A063571 |
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Smallest power of 8 having n in its decimal representation. |
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+0 1
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| 4, 3, 3, 5, 2, 3, 2, 5, 1, 4, 10, 14, 3, 9, 6, 7, 8, 9, 10, 12, 7, 6, 17, 21, 10, 17, 6, 5, 9, 20, 26, 25, 5, 21, 9, 15, 12, 10, 13, 14, 4, 10, 9, 14, 6, 11, 14, 12, 17, 13, 18, 3, 7, 29, 13, 13, 16, 25, 11, 11, 20
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Variant of A062525 allowing only exponents larger than zero. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 15 2008]
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MATHEMATICA
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a = {}; Do[k = 1; While[ StringPosition[ ToString[8^k], ToString[n] ] == {}, k++ ]; a = Append[a, k], {n, 0, 60} ]; a
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CROSSREFS
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Sequence in context: A129344 A048853 A011762 this_sequence A005589 A052360 A154913
Adjacent sequences: A063568 A063569 A063570 this_sequence A063572 A063573 A063574
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KEYWORD
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base,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001
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