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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 5 |
| 4 | 6 |
| 5 | 9 |
| 6 | 12 |
| 7 | 13 |
| 8 | 14 |
| 9 | 21 |
| 10 | 22 |
| 11 | 23 |
| 12 | 24 |
| 13 | 25 |
| 14 | 26 |
| 15 | 39 |
| 16 | 40 |
| 17 | 45 |
| 18 | 54 |
| 19 | 55 |
| 20 | 60 |
| 21 | 61 |
| 22 | 62 |
| 23 | 63 |
| 24 | 66 |
| 25 | 67 |
| 26 | 68 |
| 27 | 69 |
| 28 | 70 |
| 29 | 71 |
| 30 | 72 |
| 31 | 73 |
| 32 | 74 |
| 33 | 75 |
| 34 | 76 |
| 35 | 77 |
| 36 | 78 |
| 37 | 79 |
| 38 | 80 |
| 39 | 81 |
| 40 | 82 |
| 41 | 83 |
| 42 | 84 |
| 43 | 85 |
| 44 | 86 |
| 45 | 129 |
| 46 | 130 |
| 47 | 135 |
| 48 | 138 |
| 49 | 139 |
| 50 | 140 |
| 51 | 147 |
| 52 | 148 |
| 53 | 149 |
| 54 | 150 |
| 55 | 151 |
| 56 | 152 |
| 57 | 153 |
| 58 | 154 |
| 59 | 155 |
| 60 | 160 |
| 61 | 161 |
| 62 | 162 |
| 63 | 163 |
[2,4,5,6,9,12,13,14,21,22,23,24,25,26,39,40,45,54, 55,60,61,62,63,66,67,68,69,70,71,72,73,74,75,76, 77,78,79,80,81,82,83,84,85,86,129,130,135,138,139, 140,147,148,149,150,151,152,153,154,155,160,161, 162,163] |