The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 19 |
| 3 | 37 |
| 4 | 139 |
| 5 | 262880929 |
| 6 | 1551042113 |
| 7 | 64548518479 |
| 8 | 1573353619909 |
[5,19,37,139,262880929,1551042113,64548518479, 1573353619909] |