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 | 5 |
| 2 | 33 |
| 3 | 261 |
| 4 | 2369 |
| 5 | 24069 |
| 6 | 269153 |
| 7 | 3272453 |
| 8 | 42858113 |
| 9 | 600181765 |
| 10 | 8933677729 |
| 11 | 140645797125 |
| 12 | 2332169258945 |
| 13 | 40586333768197 |
| 14 | 738998405168609 |
| 15 | 14040304543111941 |
| 16 | 277678389593341185 |
| 17 | 5704502830382733317 |
| 18 | 121500343635119818017 |
| 19 | 2678407616841000605957 |
| 20 | 61015572313688043492929 |
[1,5,33,261,2369,24069,269153,3272453,42858113, 600181765,8933677729,140645797125,2332169258945, 40586333768197,738998405168609,14040304543111941, 277678389593341185,5704502830382733317, 121500343635119818017,2678407616841000605957, 61015572313688043492929] |