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) |
|---|---|
| 0 | 133 |
| 1 | 1343 |
| 2 | 1453 |
| 3 | 1463 |
| 4 | 14653 |
| 5 | 14763 |
| 6 | 14773 |
| 7 | 15973 |
| 8 | 15983 |
| 9 | 16093 |
| 10 | 161063 |
| 11 | 161173 |
| 12 | 161183 |
| 13 | 162383 |
| 14 | 162393 |
| 15 | 162503 |
| 16 | 175693 |
| 17 | 175703 |
| 18 | 175813 |
| 19 | 177023 |
| 20 | 1771573 |
| 21 | 1771683 |
| 22 | 1771693 |
| 23 | 1772893 |
| 24 | 1772903 |
| 25 | 1773013 |
| 26 | 1786203 |
| 27 | 1786213 |
| 28 | 1786323 |