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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 19 |
| 3 | 2207 |
| 4 | 26041 |
| 5 | 332698495781 |
[13,19,2207,26041,332698495781] |