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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -3 |
| 3 | 64 |
| 4 | 779 |
| 5 | 84438 |
| 6 | -5889407 |
| 7 | 3927676076 |
| 8 | 1656518279511 |
| 9 | 6600296688949762 |
| 10 | -16680688702495266643 |
| 11 | 399061333268551884767064 |
| 12 | 6052502892664968398280203779 |
| 13 | 868681765846316883728697065421998 |
| 14 | -79048150954572853311144873191795246247 |
[1,2,-3,64,779,84438,-5889407,3927676076, 1656518279511,6600296688949762, -16680688702495266643,399061333268551884767064, 6052502892664968398280203779, 868681765846316883728697065421998, -79048150954572853311144873191795246247] |