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A063617
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Smallest k such that 8^k has exactly n 1's in its decimal representation.
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0
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1, 3, 8, 14, 19, 28, 39, 38, 51, 76, 69, 65, 95, 56, 107, 115, 130, 124, 180, 171, 168, 160, 186, 193, 199, 169, 207, 216, 200, 223, 192, 282, 285, 240, 278, 322, 298, 317, 331, 309, 315, 343, 311, 416, 378, 430, 403, 402, 454, 441, 376
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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Table of n, a(n) for n=0..50.
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MATHEMATICA
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a = {}; Do[k = 1; While[ Count[ IntegerDigits[8^k], 1] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a
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CROSSREFS
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Sequence in context: A184517 A028252 A299647 * A062550 A219930 A333962
Adjacent sequences: A063614 A063615 A063616 * A063618 A063619 A063620
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KEYWORD
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base,nonn
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AUTHOR
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Robert G. Wilson v, Aug 10 2001
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EXTENSIONS
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Name corrected by Jon E. Schoenfield, Jun 26 2018
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STATUS
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approved
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