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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 17 |
| 2 | 425 |
| 3 | 10625 |
| 4 | 265625 |
| 5 | 6640625 |
| 6 | 166015625 |
| 7 | 4150390625 |
| 8 | 103759765625 |
| 9 | 2593994140625 |
| 10 | 64849853515625 |
| 11 | 1621246337890625 |
| 12 | 40531158447265625 |
| 13 | 1013278961181640625 |
| 14 | 25331974029541015625 |
| 15 | 633299350738525390625 |
[1,17,425,10625,265625,6640625,166015625, 4150390625,103759765625,2593994140625, 64849853515625,1621246337890625,40531158447265625, 1013278961181640625,25331974029541015625, 633299350738525390625] |