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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 25 |
| 2 | 419 |
| 3 | 5981 |
| 4 | 78939 |
| 5 | 999453 |
| 6 | 12366859 |
| 7 | 151048909 |
| 8 | 1831243931 |
| 9 | 22106050109 |
| 10 | 266192557995 |
| 11 | 3200758779309 |
| 12 | 38454275485627 |
| 13 | 461767630974493 |
| 14 | 5543426384577227 |
| 15 | 66536622452560781 |
| 16 | 798548018884036827 |
[1,25,419,5981,78939,999453,12366859,151048909, 1831243931,22106050109,266192557995,3200758779309, 38454275485627,461767630974493,5543426384577227, 66536622452560781,798548018884036827] |