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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 71 |
| 4 | 30232 |
| 5 | 435772624 |
| 6 | 357189846148256 |
| 7 | 25740403176657987904960 |
| 8 | 234446578865185870182814945640448 |
| 9 | 363178754511398964104990417951192651478859776 |
| 10 | 122088173887703514886799765831338556792096849201928981184512 |
[1,1,3,71,30232,435772624,357189846148256, 25740403176657987904960, 234446578865185870182814945640448, 363178754511398964104990417951192651478859776, 12208817388770351488679976583133855679209684920192\ 8981184512] |