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| n | a(n) |
|---|---|
| 2 | 248876637484140 |
| 3 | 1013960892216384 |
| 4 | 1093158208940760 |
| 5 | 101975569769446364 |
| 6 | 16699985993414520 |
| 7 | 1310809863419914830 |
| 8 | 331113952227684640 |
[248876637484140,1013960892216384, 1093158208940760,101975569769446364, 16699985993414520,1310809863419914830, 331113952227684640] |