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A063571
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Smallest power of 8 having n in its decimal representation.
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0
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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; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| 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
| 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
| Sequence in context: A180217 A011762 A195780 * A005589 A052360 A154913
Adjacent sequences: A063568 A063569 A063570 * A063572 A063573 A063574
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KEYWORD
| base,nonn
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 10 2001
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