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A023728
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Numbers with exactly 3 1's in base 5 expansion.
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1
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31, 131, 151, 155, 157, 158, 159, 161, 166, 171, 181, 206, 231, 281, 406, 531, 631, 651, 655, 657, 658, 659, 661, 666, 671, 681, 706, 731, 751, 755, 757, 758, 759, 761, 766, 771, 775, 777, 778, 779, 785, 787, 788, 789, 790
(list; graph; refs; listen; history; internal format)
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