The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 43 |
| 2 | 1193 |
| 3 | 24809 |
| 4 | 459341 |
| 5 | 7969019 |
| 6 | 132830609 |
| 7 | 2154271267 |
| 8 | 34252584679 |
| 9 | 536492320921 |
| 10 | 8304564483889 |
| 11 | 127333472550079 |
| 12 | 1937163889452067 |
| 13 | 29277645231909289 |
| 14 | 440023773804299591 |
| 15 | 6581452566826616377 |
[2,43,1193,24809,459341,7969019,132830609, 2154271267,34252584679,536492320921,8304564483889, 127333472550079,1937163889452067, 29277645231909289,440023773804299591, 6581452566826616377] |