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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 38 |
| 3 | 377 |
| 4 | 3766 |
| 5 | 37655 |
| 6 | 376544 |
| 7 | 3765433 |
| 8 | 37654322 |
| 9 | 376543211 |
| 10 | 3765432100 |
| 11 | 37654320989 |
| 12 | 376543209878 |
| 13 | 3765432098767 |
| 14 | 37654320987656 |
| 15 | 376543209876545 |
| 16 | 3765432098765434 |
| 17 | 37654320987654323 |
| 18 | 376543209876543212 |
| 19 | 3765432098765432101 |
| 20 | 37654320987654320990 |
[4,38,377,3766,37655,376544,3765433,37654322, 376543211,3765432100,37654320989,376543209878, 3765432098767,37654320987656,376543209876545, 3765432098765434,37654320987654323, 376543209876543212,3765432098765432101, 37654320987654320990] |