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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 19 |
| 4 | 725 |
| 5 | 1051269 |
| 6 | 2210333021447 |
| 7 | 9771144131398048324998887 |
| 8 | 190950515273109040540985906104397627141067435498985 |
| 9 | 72924198566131697919005645563941249133599421947333610081098812005030529313728193495031984760197059337 |
[1,1,3,19,725,1051269,2210333021447, 9771144131398048324998887, 19095051527310904054098590610439762714106743549898\ 5, 72924198566131697919005645563941249133599421947333\ 61008109881200503052931372819349503198476019705933\ 7] |