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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 97 |
| 4 | 6150 |
| 5 | 146327 |
| 6 | 30312074 |
| 7 | 1355988481 |
| 8 | 609400419815 |
| 9 | 42505520884540 |
| 10 | 33926900616984192 |
| 11 | 3335043669700991645 |
[1,12,97,6150,146327,30312074,1355988481, 609400419815,42505520884540,33926900616984192, 3335043669700991645] |