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| n | a(n) |
|---|---|
| 1 | 120 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 38 |
| 8 | 8314 |
| 9 | 552162 |
| 10 | 14897883 |
| 11 | 202307164 |
| 12 | 1740883167 |
| 13 | 9375189986 |
| 14 | 39259985155 |
| 15 | 135039588180 |
| 16 | 462186051984 |
[120,0,0,0,0,1,38,8314,552162,14897883,202307164, 1740883167,9375189986,39259985155,135039588180, 462186051984] |