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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 10 |
| 7 | 16 |
| 8 | 43 |
| 9 | 101 |
| 10 | 340 |
| 11 | 911 |
| 12 | 2544 |
| 13 | 7224 |
| 14 | 22616 |
| 15 | 65376 |
| 16 | 187754 |
| 17 | 545743 |
| 18 | 1653966 |
| 19 | 4832057 |
| 20 | 14027794 |
[1,1,1,1,3,4,10,16,43,101,340,911,2544,7224,22616, 65376,187754,545743,1653966,4832057,14027794] |