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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 41 |
| 3 | 967 |
| 4 | 32109 |
| 5 | 1373603 |
| 6 | 71889889 |
| 7 | 4448939407 |
| 8 | 317785091933 |
| 9 | 25731184562939 |
| 10 | 2328915407063705 |
| 11 | 233001395274021991 |
| 12 | 25533207271295208821 |
| 13 | 3041514682215417132371 |
| 14 | 391307447238067445930129 |
| 15 | 54074977650384006192679103 |
| 16 | 7988238906084714854241917421 |
| 17 | 1256227929202274469473017312811 |
| 18 | 209531162751200464078327250379657 |
| 19 | 36946198191974438054673167074349079 |
[1,3,41,967,32109,1373603,71889889,4448939407, 317785091933,25731184562939,2328915407063705, 233001395274021991,25533207271295208821, 3041514682215417132371,391307447238067445930129, 54074977650384006192679103, 7988238906084714854241917421, 1256227929202274469473017312811, 209531162751200464078327250379657, 36946198191974438054673167074349079] |