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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 172 |
| 2 | 14792 |
| 3 | 848132 |
| 4 | 36477072 |
| 5 | 1255320156 |
| 6 | 36010162520 |
| 7 | 885717793460 |
| 8 | 19069940181280 |
| 9 | 365136637303820 |
| 10 | 6295606113770728 |
| 11 | 98739134664027236 |
| 12 | 1420507268612532656 |
| 13 | 18877952360204608956 |
| 14 | 233146706655610223736 |
[1,172,14792,848132,36477072,1255320156, 36010162520,885717793460,19069940181280, 365136637303820,6295606113770728, 98739134664027236,1420507268612532656, 18877952360204608956,233146706655610223736] |