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 | 8 |
| 3 | 30 |
| 4 | 112 |
| 5 | 507 |
| 6 | 2837 |
| 7 | 17220 |
| 8 | 111156 |
| 9 | 759256 |
| 10 | 5425573 |
| 11 | 40174725 |
| 12 | 305689269 |
| 13 | 2379622234 |
| 14 | 18887841658 |
[0,8,30,112,507,2837,17220,111156,759256,5425573, 40174725,305689269,2379622234,18887841658] |