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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 11 |
| 4 | 173 |
| 5 | 2757 |
| 6 | 176275 |
| 7 | 11278843 |
| 8 | 2887207533 |
| 9 | 739113849605 |
| 10 | 756849694787987 |
| 11 | 775013348349049083 |
| 12 | 3174453917988010255981 |
| 13 | 13002562473065541659449093 |
| 14 | 213033980384251916560403683731 |
[1,1,3,11,173,2757,176275,11278843,2887207533, 739113849605,756849694787987,775013348349049083, 3174453917988010255981,13002562473065541659449093, 213033980384251916560403683731] |