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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 9 |
| 6 | 15 |
| 7 | 22 |
| 8 | 35 |
| 9 | 51 |
| 10 | 77 |
| 11 | 110 |
| 12 | 162 |
| 13 | 228 |
| 14 | 326 |
| 15 | 454 |
| 16 | 637 |
| 17 | 875 |
| 18 | 1208 |
| 19 | 1641 |
| 20 | 2235 |
| 21 | 3006 |
| 22 | 4044 |
| 23 | 5388 |
| 24 | 7177 |
| 25 | 9481 |
| 26 | 12510 |
| 27 | 16399 |
| 28 | 21463 |
| 29 | 27932 |
| 30 | 36287 |
| 31 | 46911 |
| 32 | 60531 |
| 33 | 77776 |
| 34 | 99733 |
| 35 | 127415 |
| 36 | 162457 |
| 37 | 206444 |
| 38 | 261821 |
| 39 | 331063 |
| 40 | 417801 |
| 41 | 525828 |
| 42 | 660536 |
| 43 | 827684 |
[1,1,2,3,6,9,15,22,35,51,77,110,162,228,326,454, 637,875,1208,1641,2235,3006,4044,5388,7177,9481, 12510,16399,21463,27932,36287,46911,60531,77776, 99733,127415,162457,206444,261821,331063,417801, 525828,660536,827684] |