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A039341
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Numbers n such that representation in base 8 has same nonzero number of 1's and 7's.
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0
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15, 57, 71, 87, 95, 103, 111, 119, 120, 122, 123, 124, 125, 126, 143, 185, 207, 249, 271, 313, 335, 377, 399, 441, 449, 456, 458, 459, 460, 461, 462, 465, 473, 481, 489, 497, 519, 535, 543, 551, 559, 567, 568, 570, 571, 572, 573, 574, 639, 647, 663, 671
(list; graph; refs; listen; history; internal format)
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