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| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 571 |
| 3 | 18307 |
| 4 | 663122 |
| 5 | 25831820 |
| 6 | 1069763402 |
| 7 | 46251359120 |
| 8 | 2092454198295 |
| 9 | 97243617514832 |
| 10 | 4655473468942780 |
| 11 | 225559938510544139 |
[22,571,18307,663122,25831820,1069763402, 46251359120,2092454198295,97243617514832, 4655473468942780,225559938510544139] |