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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 2520 |
| 4 | 133443 |
| 5 | 4631480 |
| 6 | 77960400 |
| 7 | -893357352 |
| 8 | -129115605108 |
| 9 | -5703597367944 |
| 10 | -149338186169984 |
| 11 | -972961974611592 |
| 12 | 136120392773772540 |
| 13 | 8711794854942581976 |
| 14 | 303065826438211841872 |
| 15 | 5303822147508364225592 |
| 16 | -109717889804112201890124 |
[1,0,0,2520,133443,4631480,77960400,-893357352, -129115605108,-5703597367944,-149338186169984, -972961974611592,136120392773772540, 8711794854942581976,303065826438211841872, 5303822147508364225592,-109717889804112201890124] |