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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 30 |
| 3 | 3875 |
| 4 | 2437500 |
| 5 | 7626953125 |
| 6 | 119201660156250 |
| 7 | 9313106536865234375 |
| 8 | 3637969493865966796875000 |
| 9 | 7105423719622194766998291015625 |
| 10 | 69388931933644926175475120544433593750 |
[0,1,30,3875,2437500,7626953125,119201660156250, 9313106536865234375,3637969493865966796875000, 7105423719622194766998291015625, 69388931933644926175475120544433593750] |