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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 20 |
| 3 | 1680 |
| 4 | 51240 |
| 5 | 1173512 |
| 6 | 31006978 |
| 7 | 788946320 |
| 8 | 18721725280 |
| 9 | 435630242080 |
| 10 | 9998202729808 |
| 11 | 225310437716462 |
[1,1,20,1680,51240,1173512,31006978,788946320, 18721725280,435630242080,9998202729808, 225310437716462] |