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| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 784 |
| 2 | 79524 |
| 3 | 7997584 |
| 4 | 799984656 |
| 5 | 79999596964 |
| 6 | 7999999294329 |
| 7 | 799999986001441 |
| 8 | 79999999731514944 |
| 9 | 7999999995778911376 |
| 10 | 799999999973870935009 |
| 11 | 79999999999649835200676 |
| 12 | 7999999999998924645564516 |
| 13 | 799999999999949033098946521 |
| 14 | 79999999999999994478719195161 |
[4,784,79524,7997584,799984656,79999596964, 7999999294329,799999986001441,79999999731514944, 7999999995778911376,799999999973870935009, 79999999999649835200676,7999999999998924645564516, 799999999999949033098946521, 79999999999999994478719195161] |