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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 | 28 |
| 3 | 4328 |
| 4 | 548130 |
| 5 | 1383229596 |
| 6 | 3442732323766 |
| 7 | 136599937752568134 |
[4,28,4328,548130,1383229596,3442732323766, 136599937752568134] |