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A063614
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Smallest power of 7 having just n 8's in its decimal representation.
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0
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1, 5, 12, 19, 21, 22, 58, 51, 52, 65, 78, 79, 77, 123, 161, 148, 132, 131, 145, 141, 201, 154, 225, 155, 237, 281, 233, 248, 265, 293, 264, 279, 272, 287, 322, 261, 304, 382, 406, 424, 389, 381, 475, 414, 397, 458, 434, 483, 446, 541, 465
(list; graph; refs; listen; history; internal format)
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