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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 18 |
| 6 | 23 |
| 7 | 41 |
| 8 | 64 |
| 9 | 105 |
| 10 | 2584 |
| 11 | 2689 |
| 12 | 5273 |
| 13 | 7962 |
| 14 | 13235 |
| 15 | 47667 |
| 16 | 60902 |
| 17 | 108569 |
| 18 | 169471 |
| 19 | 278040 |
| 20 | 6842431 |
| 21 | 7120471 |
| 22 | 13962902 |
| 23 | 21083373 |
| 24 | 35046275 |
| 25 | 126222198 |
| 26 | 161268473 |
| 27 | 287490671 |
| 28 | 448759144 |
| 29 | 736249815 |
| 30 | 18118754704 |
| 31 | 18855004519 |
| 32 | 36973759223 |
| 33 | 55828763742 |
[1,1,2,3,5,18,23,41,64,105,2584,2689,5273,7962, 13235,47667,60902,108569,169471,278040,6842431, 7120471,13962902,21083373,35046275,126222198, 161268473,287490671,448759144,736249815, 18118754704,18855004519,36973759223,55828763742] |