This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 11 |
| 3 | 111 |
| 4 | 606 |
| 5 | 656 |
| 6 | 1111 |
| 7 | 11111 |
| 8 | 60106 |
| 9 | 60606 |
| 10 | 65156 |
| 11 | 65656 |
| 12 | 111111 |
| 13 | 1111111 |
| 14 | 6010106 |
| 15 | 6015106 |
| 16 | 6060606 |
| 17 | 6065606 |
| 18 | 6510156 |
| 19 | 6515156 |
| 20 | 6560656 |
| 21 | 6565656 |
| 22 | 11111111 |
| 23 | 111111111 |
| 24 | 601010106 |
| 25 | 601060106 |
| 26 | 601515106 |
| 27 | 601565106 |
| 28 | 606010606 |