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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 11 |
| 5 | 23 |
| 6 | 45 |
| 7 | 87 |
| 8 | 165 |
| 9 | 309 |
| 10 | 573 |
| 11 | 1056 |
| 12 | 1934 |
| 13 | 3527 |
| 14 | 6408 |
| 15 | 11605 |
| 16 | 20960 |
| 17 | 37771 |
| 18 | 67928 |
| 19 | 121949 |
| 20 | 218595 |
| 21 | 391302 |
| 22 | 699610 |
| 23 | 1249475 |
| 24 | 2229329 |
| 25 | 3974083 |
| 26 | 7078658 |
| 27 | 12599318 |
| 28 | 22410548 |
| 29 | 39837420 |
| 30 | 70775727 |
| 31 | 125675525 |
| 32 | 223052519 |
| 33 | 395702395 |
| 34 | 701695820 |
| 35 | 1243827018 |
| 36 | 2204007329 |
[1,2,5,11,23,45,87,165,309,573,1056,1934,3527, 6408,11605,20960,37771,67928,121949,218595,391302, 699610,1249475,2229329,3974083,7078658,12599318, 22410548,39837420,70775727,125675525,223052519, 395702395,701695820,1243827018,2204007329] |