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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 84 |
| 6 | 4686825 |
| 7 | 1 |
| 8 | 12870 |
| 9 | 3284214703056 |
| 10 | 10078751602022313874633200 |
| 11 | 1 |
| 12 | 3268760 |
| 13 | 9064807833193439800 |
| 14 | 25006639164538285144538957539300707000 |
| 15 | 137658555538877668586244095134027016988748997970545868021484500 |
| 16 | 1 |
[1,1,1,1,84,4686825,1,12870,3284214703056, 10078751602022313874633200,1,3268760, 9064807833193439800, 25006639164538285144538957539300707000, 13765855553887766858624409513402701698874899797054\ 5868021484500,1] |