The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 17 |
| 3 | 1889 |
| 4 | 21377 |
| 5 | 183809 |
| 6 | 83969 |
| 7 | 40961 |
| 8 | 79003649 |
| 9 | 245235713 |
| 10 | 5767169 |
| 11 | 1004535809 |
| 12 | 897581057 |
| 13 | 41238396929 |
| 14 | 13555990529 |
| 15 | 2357400174593 |
| 16 | 3438121320449 |
| 17 | 12360915877889 |
| 18 | 188188287041537 |
| 19 | 286010462175233 |
[5,17,1889,21377,183809,83969,40961,79003649, 245235713,5767169,1004535809,897581057, 41238396929,13555990529,2357400174593, 3438121320449,12360915877889,188188287041537, 286010462175233] |