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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 33 |
| 2 | 9 |
| 3 | 831 |
| 4 | 396 |
| 5 | 45 |
| 6 | 28236 |
| 7 | 18297 |
| 8 | 3744 |
| 9 | 243 |
| 10 | 1210140 |
| 11 | 968679 |
| 12 | 273483 |
| 13 | 32481 |
| 14 | 1377 |
| 15 | 62686440 |
| 16 | 58920534 |
| 17 | 20681811 |
| 18 | 3418767 |
| 19 | 268029 |
| 20 | 8019 |
| 21 | 3810867480 |
| 22 | 4075425738 |
| 23 | 1683064737 |
| 24 | 347584284 |
| 25 | 38186478 |
| 26 | 2130138 |
| 27 | 47385 |
[2,33,9,831,396,45,28236,18297,3744,243,1210140, 968679,273483,32481,1377,62686440,58920534, 20681811,3418767,268029,8019,3810867480, 4075425738,1683064737,347584284,38186478,2130138, 47385] |