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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 7 |
| 6 | 10 |
| 7 | 11 |
| 8 | 13 |
| 9 | 17 |
| 10 | 18 |
| 11 | 21 |
| 12 | 31 |
| 13 | 37 |
| 14 | 40 |
| 15 | 41 |
| 16 | 46 |
| 17 | 48 |
| 18 | 49 |
| 19 | 52 |
| 20 | 53 |
| 21 | 58 |
| 22 | 60 |
| 23 | 64 |
| 24 | 66 |
| 25 | 70 |
| 26 | 71 |
| 27 | 72 |
| 28 | 73 |
| 29 | 75 |
| 30 | 81 |
| 31 | 85 |
| 32 | 92 |
| 33 | 93 |
| 34 | 96 |
| 35 | 100 |
| 36 | 102 |
| 37 | 109 |
| 38 | 117 |
| 39 | 119 |
| 40 | 127 |
| 41 | 136 |
| 42 | 137 |
| 43 | 140 |
| 44 | 143 |
| 45 | 145 |
| 46 | 146 |
| 47 | 149 |
| 48 | 160 |
| 49 | 162 |
| 50 | 179 |
| 51 | 189 |
| 52 | 194 |
| 53 | 200 |
| 54 | 206 |
| 55 | 215 |
| 56 | 232 |
| 57 | 233 |
| 58 | 243 |
| 59 | 246 |
| 60 | 247 |
[2,3,4,6,7,10,11,13,17,18,21,31,37,40,41,46,48,49, 52,53,58,60,64,66,70,71,72,73,75,81,85,92,93,96, 100,102,109,117,119,127,136,137,140,143,145,146, 149,160,162,179,189,194,200,206,215,232,233,243, 246,247] |