| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 484 |
| 3 | 3844 |
| 4 | 883483443844 |
| 5 | 84348348834448384 |
| 6 | 384444383388348838848484 |
| 7 | 84843338334444438384388848484 |
| 8 | 443488438888883384483848844484 |
| 9 | 48343488843384848488834343333834844484 |
[4,484,3844,883483443844,84348348834448384, 384444383388348838848484, 84843338334444438384388848484, 443488438888883384483848844484, 48343488843384848488834343333834844484] |