| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 7 |
| 2 | 37 |
| 3 | 1297 |
| 4 | 1679617 |
| 5 | 2821109907457 |
| 6 | 7958661109946400884391937 |
| 7 | 63340286662973277706162286946811886609896461828097 |
[5,7,37,1297,1679617,2821109907457, 7958661109946400884391937, 63340286662973277706162286946811886609896461828097\ ] |