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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 144 |
| 3 | 8 |
| 4 | 610 |
| 5 | 5358359254990966640871840 |
| 6 | 68330027629092351019822533679447 |
| 7 | 15156039800290547036315704478931467953361427680642 |
| 8 | 23770696554372451866815101694984845480039225387896643963981 |
| 9 | 119447720249892581203851665820676436622934188700177088360 |
[2,144,8,610,5358359254990966640871840, 68330027629092351019822533679447, 15156039800290547036315704478931467953361427680642\ , 23770696554372451866815101694984845480039225387896\ 643963981, 11944772024989258120385166582067643662293418870017\ 7088360] |