| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 10 |
| 6 | 13 |
| 7 | 17 |
| 8 | 22 |
| 9 | 27 |
| 10 | 32 |
| 11 | 38 |
| 12 | 45 |
| 13 | 52 |
| 14 | 59 |
| 15 | 67 |
| 16 | 76 |
| 17 | 85 |
| 18 | 94 |
| 19 | 104 |
| 20 | 115 |
| 21 | 126 |
| 22 | 137 |
| 23 | 149 |
| 24 | 162 |
| 25 | 175 |
| 26 | 188 |
| 27 | 202 |
| 28 | 217 |
| 29 | 232 |
| 30 | 247 |
| 31 | 263 |
| 32 | 280 |
| 33 | 297 |
| 34 | 314 |
| 35 | 332 |
| 36 | 351 |
| 37 | 370 |
| 38 | 389 |
| 39 | 409 |
| 40 | 430 |
| 41 | 451 |
| 42 | 472 |
| 43 | 494 |
| 44 | 517 |
| 45 | 540 |
| 46 | 563 |
| 47 | 587 |
| 48 | 612 |
| 49 | 637 |
| 50 | 662 |
| 51 | 688 |
| 52 | 715 |
| 53 | 742 |
| 54 | 769 |
| 55 | 797 |
[1,2,4,7,10,13,17,22,27,32,38,45,52,59,67,76,85, 94,104,115,126,137,149,162,175,188,202,217,232, 247,263,280,297,314,332,351,370,389,409,430,451, 472,494,517,540,563,587,612,637,662,688,715,742, 769,797] |