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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 9 |
| 3 | 257 |
| 4 | 24965 |
| 5 | 8345689 |
| 6 | 9935994469 |
| 7 | 43261888985391 |
| 8 | 701406030410472869 |
| 9 | 42845177964745860920417 |
| 10 | 9938256402369122699965809521 |
| 11 | 8802585608898158202243879762364131 |
| 12 | 29897291984353719865179845912465281152501 |
| 13 | 390696408699742023679820463405166732774299014481 |
[1,1,9,257,24965,8345689,9935994469, 43261888985391,701406030410472869, 42845177964745860920417, 9938256402369122699965809521, 8802585608898158202243879762364131, 29897291984353719865179845912465281152501, 390696408699742023679820463405166732774299014481] |