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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 23 |
| 2 | 721 |
| 3 | 47879 |
| 4 | 4585141 |
| 5 | 647541971 |
| 6 | 125142649633 |
| 7 | 31683946165871 |
| 8 | 10177278274781101 |
| 9 | 4042622917874613323 |
| 10 | 1945427918214115672569 |
| 11 | 1115191589596355708429607 |
| 12 | 750796364377542533286862341 |
[3,23,721,47879,4585141,647541971,125142649633, 31683946165871,10177278274781101, 4042622917874613323,1945427918214115672569, 1115191589596355708429607, 750796364377542533286862341] |