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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 25 |
| 3 | 800 |
| 4 | 48841 |
| 5 | 4867200 |
| 6 | 719580625 |
| 7 | 147968000000 |
| 8 | 40399053800625 |
| 9 | 14140937699532800 |
| 10 | 6174655078400355625 |
| 11 | 3290389182409605120000 |
| 12 | 2101698235513021884765625 |
| 13 | 1585118602783467315200000000 |
| 14 | 1393789829051727854522489390625 |
[1,2,25,800,48841,4867200,719580625,147968000000, 40399053800625,14140937699532800, 6174655078400355625,3290389182409605120000, 2101698235513021884765625, 1585118602783467315200000000, 1393789829051727854522489390625] |