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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 158 |
| 5 | 161 |
| 6 | 319 |
| 7 | 480 |
| 8 | 25279 |
| 9 | 25759 |
| 10 | 51038 |
| 11 | 76797 |
| 12 | 4044482 |
| 13 | 4121279 |
| 14 | 8165761 |
| 15 | 12287040 |
| 16 | 647091841 |
| 17 | 659378881 |
| 18 | 1306470722 |
| 19 | 1965849603 |
| 20 | 103530650078 |
| 21 | 105496499681 |
| 22 | 209027149759 |
| 23 | 314523649440 |
| 24 | 16564256920639 |
| 25 | 16878780570079 |
| 26 | 33443037490718 |
[1,1,2,3,158,161,319,480,25279,25759,51038,76797, 4044482,4121279,8165761,12287040,647091841, 659378881,1306470722,1965849603,103530650078, 105496499681,209027149759,314523649440, 16564256920639,16878780570079,33443037490718] |