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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 9 |
| 4 | 70 |
| 5 | 771 |
| 6 | 10948 |
| 7 | 190205 |
| 8 | 3907494 |
| 9 | 92654059 |
| 10 | 2490459468 |
| 11 | 74827519077 |
| 12 | 2485153213814 |
| 13 | 90403692195179 |
| 14 | 3574835773247140 |
| 15 | 152675377606343901 |
| 16 | 7003761877546096278 |
| 17 | 343454890456254782203 |
| 18 | 17929588055863943650988 |
[1,2,9,70,771,10948,190205,3907494,92654059, 2490459468,74827519077,2485153213814, 90403692195179,3574835773247140, 152675377606343901,7003761877546096278, 343454890456254782203,17929588055863943650988] |