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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 14 |
| 5 | 30 |
| 6 | 59 |
| 7 | 110 |
| 8 | 197 |
| 9 | 343 |
| 10 | 585 |
| 11 | 983 |
| 12 | 1634 |
| 13 | 2695 |
| 14 | 4420 |
| 15 | 7220 |
| 16 | 11760 |
| 17 | 19116 |
| 18 | 31029 |
| 19 | 50316 |
| 20 | 81535 |
| 21 | 132061 |
| 22 | 213827 |
| 23 | 346141 |
| 24 | 560244 |
| 25 | 906685 |
| 26 | 1467254 |
| 27 | 2374290 |
| 28 | 3841922 |
| 29 | 6216618 |
| 30 | 10058975 |
| 31 | 16276058 |
| 32 | 26335529 |
| 33 | 42612115 |
| 34 | 68948205 |
| 35 | 111560915 |
[0,1,2,6,14,30,59,110,197,343,585,983,1634,2695, 4420,7220,11760,19116,31029,50316,81535,132061, 213827,346141,560244,906685,1467254,2374290, 3841922,6216618,10058975,16276058,26335529, 42612115,68948205,111560915] |