The OEIS is supported by the many generous donors to the OEIS Foundation.
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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 6 |
| 4 | 18 |
| 5 | 24 |
| 6 | 36 |
| 7 | 48 |
| 8 | 132 |
| 9 | 612 |
| 10 | 1339 |
| 11 | 2035 |
| 12 | 2490 |
| 13 | 26262 |
[0,1,6,18,24,36,48,132,612,1339,2035,2490,26262] |