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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 24 |
| 3 | 504 |
| 4 | 35890 |
| 5 | 8646064 |
| 6 | 1697490356184 |
| 7 | 120879712950776 |
| 8 | 98079530178586034536500564 |
| 9 | 748829299860308729347600 |
| 10 | 119816209721856219780831547518850 |
| 11 | 15418262617564622254988364568360573618470100684551892712710640455037970 |
[1,2,24,504,35890,8646064,1697490356184, 120879712950776,98079530178586034536500564, 748829299860308729347600, 119816209721856219780831547518850, 15418262617564622254988364568360573618470100684551\ 892712710640455037970] |