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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 7 |
| 3 | 51 |
| 4 | 214 |
| 5 | 2357 |
| 6 | 25611 |
| 7 | 551596 |
[1,3,7,51,214,2357,25611,551596] |