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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 8 |
| 4 | 9 |
| 5 | 15 |
| 6 | 16 |
| 7 | 20 |
| 8 | 21 |
| 9 | 27 |
| 10 | 28 |
| 11 | 32 |
| 12 | 33 |
| 13 | 39 |
| 14 | 40 |
| 15 | 44 |
| 16 | 45 |
| 17 | 51 |
| 18 | 52 |
| 19 | 56 |
| 20 | 57 |
| 21 | 63 |
| 22 | 64 |
| 23 | 68 |
| 24 | 69 |
| 25 | 75 |
| 26 | 76 |
| 27 | 80 |
| 28 | 81 |
| 29 | 87 |
| 30 | 88 |
| 31 | 92 |
| 32 | 93 |
| 33 | 99 |
| 34 | 100 |
| 35 | 104 |
| 36 | 105 |
| 37 | 111 |
| 38 | 112 |
| 39 | 116 |
| 40 | 117 |
| 41 | 123 |
| 42 | 124 |
| 43 | 128 |
| 44 | 129 |
| 45 | 135 |
| 46 | 136 |
| 47 | 140 |
| 48 | 141 |
| 49 | 147 |
| 50 | 148 |
| 51 | 152 |
| 52 | 153 |
| 53 | 159 |
| 54 | 160 |
| 55 | 164 |
| 56 | 165 |
| 57 | 171 |
| 58 | 172 |
| 59 | 176 |
| 60 | 177 |
[3,4,8,9,15,16,20,21,27,28,32,33,39,40,44,45,51, 52,56,57,63,64,68,69,75,76,80,81,87,88,92,93,99, 100,104,105,111,112,116,117,123,124,128,129,135, 136,140,141,147,148,152,153,159,160,164,165,171, 172,176,177] |