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 | 17 |
| 2 | 71 |
| 3 | 11171777 |
| 4 | 11177717 |
| 5 | 17111777 |
| 6 | 17171177 |
| 7 | 17171771 |
| 8 | 17177117 |
| 9 | 17711717 |
| 10 | 17717171 |
| 11 | 71117177 |
| 12 | 71171717 |
| 13 | 71717117 |
| 14 | 77111717 |
| 15 | 77711171 |
| 16 | 1111717777 |
| 17 | 1117117777 |
| 18 | 1117177177 |
| 19 | 1117771177 |
| 20 | 1117771717 |
| 21 | 1177117177 |
| 22 | 1177177711 |
| 23 | 1177711177 |
| 24 | 1177717171 |
| 25 | 1177717711 |