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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 16 |
| 4 | 83521 |
| 5 | 48698490414981476161 |
| 6 | 5624216052381164150697569400035392464306474190030694298257503425709420810383376 |
[0,1,1,16,83521,48698490414981476161, 56242160523811641506975694000353924643064741900306\ 94298257503425709420810383376] |