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 | 11 |
| 3 | 80 |
| 4 | 611 |
| 5 | 4784 |
| 6 | 39231 |
| 7 | 332194 |
| 8 | 2880517 |
| 9 | 25422713 |
| 10 | 227523123 |
| 11 | 2059018668 |
| 12 | 18803933520 |
| 13 | 173032692013 |
| 14 | 1602470745574 |
| 15 | 14922284472148 |
| 16 | 139619169015686 |
[1,11,80,611,4784,39231,332194,2880517,25422713, 227523123,2059018668,18803933520,173032692013, 1602470745574,14922284472148,139619169015686] |