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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 25 |
| 3 | 674 |
| 4 | 32353 |
| 5 | 2426474 |
| 6 | 262059193 |
| 7 | 38522701370 |
| 8 | 7396358663041 |
| 9 | 1797315155118962 |
| 10 | 539194546535688601 |
| 11 | 195727620392454962162 |
| 12 | 84554332009540543653985 |
| 13 | 42869046328837055632570394 |
| 14 | 25206999241356188711951391673 |
| 15 | 17014724487915427380567189379274 |
| 16 | 13067308406719048228275601443282433 |
[1,2,25,674,32353,2426474,262059193,38522701370, 7396358663041,1797315155118962,539194546535688601, 195727620392454962162,84554332009540543653985, 42869046328837055632570394, 25206999241356188711951391673, 17014724487915427380567189379274, 13067308406719048228275601443282433] |