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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 5 |
| 7 | 11 |
| 8 | 21 |
| 9 | 36 |
| 10 | 60 |
| 11 | 106 |
| 12 | 205 |
| 13 | 418 |
| 14 | 851 |
| 15 | 1685 |
| 16 | 3257 |
| 17 | 6264 |
| 18 | 12210 |
| 19 | 24276 |
| 20 | 48920 |
| 21 | 98873 |
| 22 | 199118 |
| 23 | 399472 |
| 24 | 801361 |
| 25 | 1613713 |
| 26 | 3266772 |
| 27 | 6640770 |
| 28 | 13526547 |
| 29 | 27564804 |
| 30 | 56183565 |
| 31 | 114612879 |
| 32 | 234187293 |
| 33 | 479442918 |
| 34 | 983236998 |
| 35 | 2018936664 |
| 36 | 4149222198 |
[1,1,1,1,1,2,5,11,21,36,60,106,205,418,851,1685, 3257,6264,12210,24276,48920,98873,199118,399472, 801361,1613713,3266772,6640770,13526547,27564804, 56183565,114612879,234187293,479442918,983236998, 2018936664,4149222198] |