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 | 5 |
| 2 | 47 |
| 3 | 6047 |
| 4 | 24197 |
| 5 | 31247 |
| 6 | 51197 |
| 7 | 84047 |
| 8 | 151247 |
| 9 | 204797 |
| 10 | 273797 |
| 11 | 387197 |
| 12 | 470447 |
| 13 | 708047 |
| 14 | 806447 |
| 15 | 938447 |
| 16 | 1804997 |
| 17 | 1920797 |
| 18 | 1940447 |
| 19 | 2060447 |
| 20 | 2121797 |
| 21 | 2184047 |
| 22 | 3150047 |
| 23 | 3699197 |
| 24 | 6771197 |
| 25 | 7411247 |
| 26 | 7644047 |
| 27 | 8404997 |
| 28 | 8652797 |
| 29 | 10170047 |