| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 9 |
| 7 | 12 |
| 8 | 15 |
| 9 | 19 |
| 10 | 23 |
| 11 | 27 |
| 12 | 32 |
| 13 | 37 |
| 14 | 42 |
| 15 | 48 |
| 16 | 54 |
| 17 | 61 |
| 18 | 68 |
| 19 | 75 |
| 20 | 83 |
| 21 | 91 |
| 22 | 99 |
| 23 | 108 |
| 24 | 117 |
| 25 | 127 |
| 26 | 137 |
| 27 | 147 |
| 28 | 158 |
| 29 | 169 |
| 30 | 180 |
| 31 | 192 |
| 32 | 204 |
| 33 | 217 |
| 34 | 230 |
| 35 | 243 |
| 36 | 257 |
| 37 | 271 |
| 38 | 285 |
| 39 | 300 |
| 40 | 315 |
| 41 | 331 |
| 42 | 347 |
| 43 | 363 |
| 44 | 380 |
| 45 | 397 |
| 46 | 415 |
| 47 | 433 |
| 48 | 451 |
| 49 | 470 |
| 50 | 489 |
| 51 | 508 |
| 52 | 528 |
| 53 | 548 |
| 54 | 569 |
| 55 | 590 |
[1,2,3,5,7,9,12,15,19,23,27,32,37,42,48,54,61,68, 75,83,91,99,108,117,127,137,147,158,169,180,192, 204,217,230,243,257,271,285,300,315,331,347,363, 380,397,415,433,451,470,489,508,528,548,569,590] |