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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 22 |
| 3 | 980 |
| 4 | 161638 |
| 5 | 100318460 |
| 6 | 240313495420 |
| 7 | 2251316821283048 |
| 8 | 83005840299778004614 |
| 9 | 12089092134684999622076396 |
| 10 | 6972054121242613685463168904468 |
| 11 | 15950722005044706228925521886595357720 |
| 12 | 144954811888851643278920459489891540357638876 |
[1,2,22,980,161638,100318460,240313495420, 2251316821283048,83005840299778004614, 12089092134684999622076396, 6972054121242613685463168904468, 15950722005044706228925521886595357720, 144954811888851643278920459489891540357638876] |