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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 14 |
| 4 | 36 |
| 5 | 112 |
| 6 | 354 |
| 7 | 1193 |
| 8 | 4099 |
| 9 | 14374 |
| 10 | 51265 |
| 11 | 185143 |
| 12 | 675016 |
| 13 | 2481768 |
| 14 | 9183221 |
| 15 | 34179072 |
| 16 | 127826852 |
[1,2,5,14,36,112,354,1193,4099,14374,51265,185143, 675016,2481768,9183221,34179072,127826852] |