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A063572
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Smallest power of 9 having n in its decimal representation.
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0
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5, 2, 3, 6, 5, 4, 4, 3, 2, 1, 11, 15, 18, 11, 6, 18, 17, 19, 13, 23, 9, 8, 14, 21, 12, 13, 26, 28, 12, 3, 8, 6, 13, 24, 10, 18, 12, 27, 9, 27, 10, 6, 9, 8, 6, 14, 8, 7, 9, 5, 18, 16, 18, 6, 13, 35, 4, 20, 13, 5, 11
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Variant of A062526. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 15 2008]
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MATHEMATICA
| a = {}; Do[k = 1; While[ StringPosition[ ToString[9^k], ToString[n] ] == {}, k++ ]; a = Append[a, k], {n, 0, 60} ]; a
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CROSSREFS
| Sequence in context: A021195 A019673 A090183 * A205294 A131567 A200301
Adjacent sequences: A063569 A063570 A063571 * A063573 A063574 A063575
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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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