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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 6 |
| 5 | 2 |
| 6 | 234 |
| 7 | 2 |
| 8 | 331842 |
| 9 | 46658 |
| 10 | 24883200258 |
| 11 | 2 |
| 12 | 139314179589392898 |
| 13 | 2 |
| 14 | 82606411253903523840004098 |
| 15 | 619173642242176782338 |
| 16 | 6984964247141514123665660725036072962 |
| 17 | 2 |
| 18 | 109110688415571335888754861121236891599318185050114 |
| 19 | 2 |
[1,2,2,6,2,234,2,331842,46658,24883200258,2, 139314179589392898,2,82606411253903523840004098, 619173642242176782338, 6984964247141514123665660725036072962,2, 10911068841557133588875486112123689159931818505011\ 4,2] |