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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 | 10 |
| 4 | 130 |
| 5 | 11570 |
| 6 | 2695810 |
| 7 | 4305208570 |
| 8 | 18000077031170 |
| 9 | 515828207482238690 |
| 10 | 265253823305384119320010 |
| 11 | 357102999447516172932830542690 |
| 12 | 8626828910804196810251673542315707730 |
[1,2,10,130,11570,2695810,4305208570, 18000077031170,515828207482238690, 265253823305384119320010, 357102999447516172932830542690, 8626828910804196810251673542315707730] |