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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 7777 |
| 11 | 77077 |
| 12 | 122221 |
| 13 | 707707 |
| 14 | 770077 |
| 15 | 7070707 |
| 16 | 7700077 |
| 17 | 4444444 |
| 18 | 88888888 |
| 19 | 70077007 |
| 20 | 70700707 |
| 21 | 77000077 |
| 22 | 88888888 |
| 23 | 88888888 |
| 24 | 888808888 |
| 25 | 488888884 |
| 26 | 700707007 |
| 27 | 707000707 |
| 28 | 404444404 |
| 29 | 770000077 |
| 30 | 440444044 |
| 31 | 444040444 |
| 32 | 848888848 |
| 33 | 884888488 |