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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 225 |
| 4 | 131625 |
| 5 | 1309010625 |
| 6 | 273380323978125 |
| 7 | 1427352844030287890625 |
| 8 | 216119240915841469025244140625 |
| 9 | 1079864992142473709995957417730712890625 |
| 10 | 199639840782299404795675492100337942688751220703125 |
[1,1,5,225,131625,1309010625,273380323978125, 1427352844030287890625, 216119240915841469025244140625, 1079864992142473709995957417730712890625, 19963984078229940479567549210033794268875122070312\ 5] |