The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 125 |
| 3 | 3125 |
| 4 | 4225 |
| 5 | 1953125 |
| 6 | 48828125 |
| 7 | 105625 |
| 8 | 274625 |
| 9 | 762939453125 |
| 10 | 2640625 |
| 11 | 476837158203125 |
| 12 | 17850625 |
| 13 | 1221025 |
| 14 | 34328125 |
| 15 | 186264514923095703125 |
| 16 | 1650390625 |
| 17 | 446265625 |
| 18 | 1160290625 |
| 19 | 41259765625 |
| 20 | 4291015625 |
| 21 | 45474735088646411895751953125 |
| 22 | 30525625 |
[8,125,3125,4225,1953125,48828125,105625,274625, 762939453125,2640625,476837158203125,17850625, 1221025,34328125,186264514923095703125,1650390625, 446265625,1160290625,41259765625,4291015625, 45474735088646411895751953125,30525625] |