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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 34 |
| 3 | 1096 |
| 4 | 51984 |
| 5 | 3262488 |
| 6 | 254943384 |
| 7 | 23853046656 |
| 8 | 2600024557248 |
| 9 | 323588157732096 |
| 10 | 45276442446814656 |
| 11 | 7035574740347812800 |
| 12 | 1202158966644148296000 |
| 13 | 224022356544364922931840 |
| 14 | 45215509996613004825121920 |
[1,2,34,1096,51984,3262488,254943384,23853046656, 2600024557248,323588157732096,45276442446814656, 7035574740347812800,1202158966644148296000, 224022356544364922931840, 45215509996613004825121920] |