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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 25 |
| 3 | 1801 |
| 4 | 251665 |
| 5 | 60023281 |
| 6 | 21783217897 |
| 7 | 11244708818617 |
| 8 | 7836581579364769 |
| 9 | 7098342754565616481 |
| 10 | 8108890187934052712761 |
| 11 | 11407792409056590722072041 |
| 12 | 19382875328830017602572089265 |
| 13 | 39137558151287789768856541250641 |
| 14 | 92642186419738783260791047129751305 |
[1,1,25,1801,251665,60023281,21783217897, 11244708818617,7836581579364769, 7098342754565616481,8108890187934052712761, 11407792409056590722072041, 19382875328830017602572089265, 39137558151287789768856541250641, 92642186419738783260791047129751305] |