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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 | 15 |
| 3 | 16714 |
| 4 | 1084539825 |
| 5 | 1814002928583853 |
| 6 | 72341858272434900016248 |
[1,15,16714,1084539825,1814002928583853, 72341858272434900016248] |