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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -9 |
| 3 | 268 |
| 4 | 16097 |
| 5 | 5589174 |
| 6 | -3994286453 |
| 7 | 16681189975136 |
| 8 | 143155871655133749 |
| 9 | 7172892651869295403018 |
| 10 | -738638508197444971086627361 |
| 11 | 444125129581255110369102906170292 |
| 12 | 548815482754196320790032447578510162313 |
| 13 | 3959865364571704158400109500272058863584565086 |
[1,2,-9,268,16097,5589174,-3994286453, 16681189975136,143155871655133749, 7172892651869295403018, -738638508197444971086627361, 444125129581255110369102906170292, 548815482754196320790032447578510162313, 3959865364571704158400109500272058863584565086] |