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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 13 |
| 5 | 144 |
| 6 | 28657 |
| 7 | 701408733 |
| 8 | 679891637638612258 |
| 9 | 394810887814999156320699623170776339 |
| 10 | 215414832505658809004682396169711233230800418578767753330908886771798637 |
[1,2,3,13,144,28657,701408733,679891637638612258, 394810887814999156320699623170776339, 21541483250565880900468239616971123323080041857876\ 7753330908886771798637] |