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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 8 |
| 4 | 27 |
| 5 | 71 |
| 6 | 197 |
| 7 | 482 |
| 8 | 1060 |
| 9 | 2241 |
| 10 | 4429 |
| 11 | 8241 |
| 12 | 14788 |
| 13 | 25473 |
| 14 | 42288 |
| 15 | 68302 |
| 16 | 107329 |
| 17 | 164450 |
| 18 | 246870 |
| 19 | 363341 |
| 20 | 525037 |
| 21 | 746901 |
| 22 | 1046759 |
| 23 | 1446661 |
| 24 | 1974912 |
| 25 | 2664696 |
| 26 | 3556123 |
| 27 | 4699051 |
| 28 | 6151182 |
| 29 | 7980924 |
| 30 | 10271230 |
| 31 | 13117013 |
| 32 | 16629061 |
| 33 | 20939082 |
| 34 | 26196340 |
| 35 | 32572742 |
[1,1,2,8,27,71,197,482,1060,2241,4429,8241,14788, 25473,42288,68302,107329,164450,246870,363341, 525037,746901,1046759,1446661,1974912,2664696, 3556123,4699051,6151182,7980924,10271230,13117013, 16629061,20939082,26196340,32572742] |