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 | 113719 |
| 2 | 131797 |
| 3 | 139177 |
| 4 | 139397 |
| 5 | 193937 |
| 6 | 313979 |
| 7 | 317179 |
| 8 | 317399 |
| 9 | 331937 |
| 10 | 371719 |
| 11 | 739391 |
| 12 | 779173 |
| 13 | 793711 |
| 14 | 793931 |
| 15 | 797131 |
| 16 | 917173 |
| 17 | 971713 |
| 18 | 971933 |
| 19 | 979313 |
| 20 | 997391 |
| 21 | 1111793 |
| 22 | 3333971 |
| 23 | 7777139 |
| 24 | 9999317 |
| 25 | 13973731 |
| 26 | 31791913 |
| 27 | 79319197 |
| 28 | 97137379 |