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A063604
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Smallest k such that 6^k has exactly n 8's in its decimal representation.
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0
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1, 12, 15, 25, 24, 40, 29, 53, 51, 84, 89, 99, 126, 107, 117, 141, 153, 167, 187, 171, 149, 232, 212, 242, 238, 257, 254, 248, 267, 272, 303, 308, 378, 340, 309, 387, 352, 382, 396, 397, 392, 438, 454, 472, 439, 436, 484, 420, 492, 467, 544
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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a = {}; Do[k = 1; While[ Count[ IntegerDigits[6^k], 8] != n, k++ ]; a = Append[a, k], {n, 0, 50} ]; a
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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