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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 7 |
| 4 | 12 |
| 5 | 18 |
| 6 | 28 |
| 7 | 40 |
| 8 | 58 |
| 9 | 80 |
| 10 | 111 |
| 11 | 149 |
| 12 | 201 |
| 13 | 264 |
| 14 | 348 |
| 15 | 450 |
| 16 | 583 |
| 17 | 744 |
| 18 | 950 |
| 19 | 1199 |
| 20 | 1514 |
| 21 | 1893 |
| 22 | 2366 |
| 23 | 2935 |
| 24 | 3638 |
| 25 | 4480 |
| 26 | 5513 |
| 27 | 6746 |
| 28 | 8247 |
| 29 | 10035 |
| 30 | 12196 |
| 31 | 14763 |
| 32 | 17850 |
| 33 | 21504 |
| 34 | 25875 |
| 35 | 31038 |
| 36 | 37184 |
| 37 | 44422 |
[1,2,4,7,12,18,28,40,58,80,111,149,201,264,348, 450,583,744,950,1199,1514,1893,2366,2935,3638, 4480,5513,6746,8247,10035,12196,14763,17850,21504, 25875,31038,37184,44422] |