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| n | a(n) |
|---|---|
| 5 | 2 |
| 6 | 2 |
| 7 | 9 |
| 8 | 10 |
| 9 | 40 |
| 10 | 58 |
| 11 | 206 |
| 12 | 342 |
| 13 | 1121 |
| 14 | 2024 |
| 15 | 6020 |
| 16 | 11469 |
| 17 | 31574 |
| 18 | 62660 |
| 19 | 164376 |
| 20 | 336835 |
| 21 | 853656 |
| 22 | 1795319 |
| 23 | 4434739 |
| 24 | 9511931 |
| 25 | 23042967 |
| 26 | 50154356 |
| 27 | 119696075 |
| 28 | 263380585 |
| 29 | 621470158 |
| 30 | 1378659503 |
| 31 | 3225317853 |
| 32 | 7199055796 |
| 33 | 16732951708 |
| 34 | 37523280788 |
| 35 | 86787492382 |
[2,2,9,10,40,58,206,342,1121,2024,6020,11469, 31574,62660,164376,336835,853656,1795319,4434739, 9511931,23042967,50154356,119696075,263380585, 621470158,1378659503,3225317853,7199055796, 16732951708,37523280788,86787492382] |