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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 8 |
| 3 | 4 |
| 4 | 88 |
| 5 | 28 |
| 6 | 104 |
| 7 | 376 |
| 8 | 1904 |
| 9 | 372 |
| 10 | 30152 |
| 11 | 4952 |
| 12 | 193072 |
| 13 | 245848 |
| 14 | 64304 |
| 15 | 7984 |
| 16 | 8303392 |
| 17 | 32131172 |
| 18 | 126932136 |
| 19 | 164384184 |
| 20 | 185914544 |
| 21 | 16850280 |
| 22 | 3006076208 |
| 23 | 249890288 |
| 24 | 5554299808 |
| 25 | 21745428728 |
| 26 | 9598969456 |
| 27 | 37645191344 |
| 28 | 5687521456416 |
| 29 | 378608431568 |
| 30 | 4518712438048 |
[1,2,8,4,88,28,104,376,1904,372,30152,4952,193072, 245848,64304,7984,8303392,32131172,126932136, 164384184,185914544,16850280,3006076208,249890288, 5554299808,21745428728,9598969456,37645191344, 5687521456416,378608431568,4518712438048] |