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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -3 |
| 3 | 167 |
| 4 | 262305 |
| 5 | -19802585281 |
| 6 | -111307539961183167 |
| 7 | 66192452118355875767376767 |
| 8 | 5609362049224731266886822845131449345 |
| 9 | -87773600779729250264394909974880988558750376171521 |
| 10 | -318955450227538853365057634352430260175496937997604285602324132863 |
[1,-1,-3,167,262305,-19802585281, -111307539961183167,66192452118355875767376767, 5609362049224731266886822845131449345, -8777360077972925026439490997488098855875037617152\ 1, -3189554502275388533650576343524302601754969379976\ 04285602324132863] |