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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 10 |
| 4 | 20 |
| 5 | 36 |
| 6 | 65 |
| 7 | 110 |
| 8 | 185 |
| 9 | 300 |
| 10 | 481 |
| 11 | 751 |
| 12 | 1162 |
| 13 | 1762 |
| 14 | 2647 |
| 15 | 3918 |
| 16 | 5748 |
| 17 | 8331 |
| 18 | 11981 |
| 19 | 17056 |
| 20 | 24108 |
| 21 | 33787 |
| 22 | 47043 |
| 23 | 65019 |
| 24 | 89336 |
| 25 | 121954 |
| 26 | 165585 |
| 27 | 223542 |
| 28 | 300295 |
| 29 | 401331 |
| 30 | 533937 |
| 31 | 707057 |
| 32 | 932404 |
| 33 | 1224376 |
| 34 | 1601571 |
| 35 | 2086851 |
| 36 | 2709449 |
| 37 | 3505228 |
[1,2,5,10,20,36,65,110,185,300,481,751,1162,1762, 2647,3918,5748,8331,11981,17056,24108,33787,47043, 65019,89336,121954,165585,223542,300295,401331, 533937,707057,932404,1224376,1601571,2086851, 2709449,3505228] |