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A039605
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Numbers n such that representation in base 12 has same nonzero number of 1's and 3's.
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0
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15, 37, 147, 171, 180, 182, 184, 185, 186, 187, 188, 189, 190, 191, 195, 207, 219, 231, 243, 255, 267, 279, 303, 325, 433, 444, 446, 448, 449, 450, 451, 452, 453, 454, 455, 457, 481, 493, 505, 517, 529, 541, 553, 565, 591, 613, 735, 757, 879, 901, 1023
(list; graph; refs; listen; history; internal format)
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