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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | -15 |
| 3 | -6090 |
| 4 | -30600650 |
| 5 | -593306350650 |
| 6 | -31192838317208826 |
| 7 | -3652177141294409632400 |
| 8 | -836986399841753367052602000 |
| 9 | -342157863774785896821739864893375 |
| 10 | -232492750600387706453977026534258393375 |
| 11 | -248374508240426643818180115122847840121356750 |
| 12 | -398845502818641863837604075681689663598753652620750 |
[1,-15,-6090,-30600650,-593306350650, -31192838317208826,-3652177141294409632400, -836986399841753367052602000, -342157863774785896821739864893375, -232492750600387706453977026534258393375, -248374508240426643818180115122847840121356750, -3988455028186418638376040756816896635987536526207\ 50] |