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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -45 |
| 2 | 2145 |
| 3 | -120219 |
| 4 | 7919340 |
| 5 | -606628022 |
| 6 | 53474070910 |
| 7 | -5374713460730 |
| 8 | 611010175914787 |
| 9 | -78004425857806195 |
| 10 | 11112322069667692951 |
| 11 | -1756425255264484313405 |
| 12 | 306452433822808726723270 |
| 13 | -58746833330940131294327300 |
| 14 | 12321258284843928550078672460 |
[1,-45,2145,-120219,7919340,-606628022, 53474070910,-5374713460730,611010175914787, -78004425857806195,11112322069667692951, -1756425255264484313405,306452433822808726723270, -58746833330940131294327300, 12321258284843928550078672460] |