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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 16 |
| 3 | 76 |
| 4 | 148 |
| 5 | 184 |
| 6 | 11008 |
| 7 | 147316 |
| 8 | 644044 |
| 9 | 1478344 |
[4,16,76,148,184,11008,147316,644044,1478344] |