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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 75 |
| 2 | 3500 |
| 3 | 131250 |
| 4 | 4344375 |
| 5 | 132890625 |
| 6 | 3855156250 |
| 7 | 107765625000 |
| 8 | 2933008203125 |
| 9 | 78271552734375 |
| 10 | 2058270703125000 |
| 11 | 53524929199218750 |
| 12 | 1380066321044921875 |
| 13 | 35349237725830078125 |
| 14 | 900813505310058593750 |
| 15 | 22863955398559570312500 |
| 16 | 578500758117828369140625 |
[1,75,3500,131250,4344375,132890625,3855156250, 107765625000,2933008203125,78271552734375, 2058270703125000,53524929199218750, 1380066321044921875,35349237725830078125, 900813505310058593750,22863955398559570312500, 578500758117828369140625] |