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 | 4 |
| 3 | 49 |
| 4 | 569 |
| 5 | 4372 |
| 6 | 42689 |
| 7 | 412189 |
| 8 | 3988132 |
| 9 | 38271921 |
| 10 | 375573977 |
| 11 | 3665309372 |
| 12 | 35872284105 |
| 13 | 350949375581 |
| 14 | 3439343559628 |
| 15 | 33682318930233 |
| 16 | 330021363385529 |
| 17 | 3233215326749252 |
| 18 | 31680809629578289 |
| 19 | 310402921706993341 |
[1,4,49,569,4372,42689,412189,3988132,38271921, 375573977,3665309372,35872284105,350949375581, 3439343559628,33682318930233,330021363385529, 3233215326749252,31680809629578289, 310402921706993341] |