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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 33 |
| 3 | 8294 |
| 4 | 8790208 |
| 5 | 28436662624 |
| 6 | 228929520628448 |
| 7 | 3983602580423420352 |
| 8 | 135150778123405293748224 |
| 9 | 8262821715336263175482769408 |
| 10 | 855516444430388524429593124012032 |
| 11 | 142657102263368111456587968163250896896 |
| 12 | 36753801552552818015956675623665562408714240 |
[1,1,33,8294,8790208,28436662624,228929520628448, 3983602580423420352,135150778123405293748224, 8262821715336263175482769408, 855516444430388524429593124012032, 142657102263368111456587968163250896896, 36753801552552818015956675623665562408714240] |