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) |
|---|---|
| 4 | 1 |
| 5 | 7 |
| 6 | 25 |
| 7 | 55 |
| 8 | 208 |
| 9 | 1168 |
| 10 | 8750 |
| 11 | 74240 |
| 12 | 701683 |
| 13 | 8051955 |
| 14 | 120548805 |
| 15 | 2289918377 |
| 16 | 52736906771 |
[1,7,25,55,208,1168,8750,74240,701683,8051955, 120548805,2289918377,52736906771] |