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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 11 |
| 3 | 205 |
| 4 | 14137 |
| 5 | 3755249 |
| 6 | 3916674017 |
| 7 | 16190352314305 |
| 8 | 266479066904477569 |
| 9 | 17503939768635307654913 |
| 10 | 4593798697440979773283368449 |
| 11 | 4819699338906053452395454422580225 |
| 12 | 20221058158328101246044232181365184919553 |
[1,2,11,205,14137,3755249,3916674017, 16190352314305,266479066904477569, 17503939768635307654913, 4593798697440979773283368449, 4819699338906053452395454422580225, 20221058158328101246044232181365184919553] |