A230855 Numbers n such that m + (sum of digits in base-3 representation of m) = n has exactly three solutions.
28, 32, 56, 60, 84, 86, 110, 114, 138, 142, 166, 168, 192, 196, 220, 224, 244, 252, 272, 276, 300, 304, 328, 330, 354, 358, 382, 386, 410, 412, 436, 440, 464, 468, 488, 496, 516, 520, 544, 548, 572, 574, 598, 602, 626, 630, 654, 656, 680, 684, 708, 712, 730, 732, 734, 736, 738, 740, 758, 762
Offset: 1