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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 8 |
| 3 | 9 |
| 4 | 152 |
| 5 | 161 |
| 6 | 1279 |
| 7 | 1440 |
| 8 | 24319 |
| 9 | 25759 |
| 10 | 204632 |
| 11 | 230391 |
| 12 | 3890888 |
| 13 | 4121279 |
| 14 | 32739841 |
| 15 | 36861120 |
| 16 | 622517761 |
| 17 | 659378881 |
| 18 | 5238169928 |
| 19 | 5897548809 |
| 20 | 99598950872 |
| 21 | 105496499681 |
| 22 | 838074448639 |
| 23 | 943570948320 |
| 24 | 15935209621759 |
| 25 | 16878780570079 |
[1,1,8,9,152,161,1279,1440,24319,25759,204632, 230391,3890888,4121279,32739841,36861120, 622517761,659378881,5238169928,5897548809, 99598950872,105496499681,838074448639, 943570948320,15935209621759,16878780570079] |