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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 13 |
| 3 | 250 |
| 4 | 8961 |
| 5 | 821848 |
| 6 | 90031117 |
| 7 | 16929468082 |
| 8 | 3699112438993 |
| 9 | 1172372082948016 |
| 10 | 592930150554224105 |
| 11 | 314980461163972949868 |
| 12 | 237098727748233796765441 |
| 13 | 209617206588771062279193558 |
| 14 | 193794661072190257001413994605 |
| 15 | 210096924743130844484817519143524 |
| 16 | 287845708921326527700201694718406369 |
[1,2,13,250,8961,821848,90031117,16929468082, 3699112438993,1172372082948016,592930150554224105, 314980461163972949868,237098727748233796765441, 209617206588771062279193558, 193794661072190257001413994605, 210096924743130844484817519143524, 287845708921326527700201694718406369] |