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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 17 |
| 5 | 77 |
| 6 | 549 |
| 7 | 6061 |
| 8 | 126381 |
| 9 | 3867721 |
| 10 | 164716773 |
| 11 | 10591661407 |
| 12 | 1060530627501 |
[1,1,1,17,77,549,6061,126381,3867721,164716773, 10591661407,1060530627501] |