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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 24 |
| 3 | 1211 |
| 4 | 107426 |
| 5 | 14639841 |
| 6 | 2833334908 |
| 7 | 738420667591 |
| 8 | 249285306765270 |
| 9 | 105817142655593261 |
| 10 | 55162112425933979312 |
| 11 | 34643962156837119237651 |
| 12 | 25799726424152610741805834 |
| 13 | 22479598186937674926509533561 |
[1,24,1211,107426,14639841,2833334908, 738420667591,249285306765270,105817142655593261, 55162112425933979312,34643962156837119237651, 25799726424152610741805834, 22479598186937674926509533561] |