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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 324 |
| 3 | 104329 |
| 4 | 33593616 |
| 5 | 10817040025 |
| 6 | 3483053294436 |
| 7 | 1121532343768369 |
| 8 | 361129931640120384 |
| 9 | 116282716455774995281 |
| 10 | 37442673568827908360100 |
| 11 | 12056424606446130716956921 |
| 12 | 3882131280602085262951768464 |
| 13 | 1250034215929265008539752488489 |
[0,1,324,104329,33593616,10817040025, 3483053294436,1121532343768369,361129931640120384, 116282716455774995281,37442673568827908360100, 12056424606446130716956921, 3882131280602085262951768464, 1250034215929265008539752488489] |