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 | 123457189 |
| 2 | 123459289 |
| 3 | 123465253 |
| 4 | 123466789 |
| 5 | 123470713 |
| 6 | 123481753 |
| 7 | 123482389 |
| 8 | 123486373 |
| 9 | 123489913 |
| 10 | 123501733 |
| 11 | 123505189 |
| 12 | 123510613 |
| 13 | 123535189 |
| 14 | 123545593 |
| 15 | 123564373 |
| 16 | 123571033 |
| 17 | 123584953 |
| 18 | 123587833 |
| 19 | 123592213 |
| 20 | 123610453 |
| 21 | 123631513 |
| 22 | 123641689 |
| 23 | 123657493 |