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 | 22 |
| 2 | 142 |
| 3 | 938 |
| 4 | 6246 |
| 5 | 41790 |
| 6 | 280454 |
| 7 | 1886106 |
| 8 | 12703674 |
| 9 | 85659918 |
| 10 | 578078344 |
| 11 | 3903599690 |
| 12 | 26372153784 |
| 13 | 178228449190 |
| 14 | 1204818513176 |
| 15 | 8146123490970 |
| 16 | 55086325175168 |
| 17 | 372549608975494 |
| 18 | 2519764601804580 |
| 19 | 17043643041857548 |
[1,22,142,938,6246,41790,280454,1886106,12703674, 85659918,578078344,3903599690,26372153784, 178228449190,1204818513176,8146123490970, 55086325175168,372549608975494,2519764601804580, 17043643041857548] |