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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 | 199 |
| 3 | 6146 |
| 4 | 131828 |
| 5 | 2693153 |
| 6 | 45298610 |
[1,199,6146,131828,2693153,45298610] |