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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 14 |
| 3 | 126 |
| 4 | 1176 |
| 5 | 13104 |
| 6 | 221184 |
| 7 | 5360184 |
| 8 | 188294424 |
| 9 | 9859695270 |
| 10 | 753451571736 |
| 11 | 86203713522030 |
| 12 | 14475271269137334 |
[1,14,126,1176,13104,221184,5360184,188294424, 9859695270,753451571736,86203713522030, 14475271269137334] |