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 | 6 |
| 3 | 11 |
| 4 | 12 |
| 5 | 15 |
| 6 | 23 |
| 7 | 26 |
| 8 | 37 |
| 9 | 45 |
| 10 | 108 |
| 11 | 112 |
| 12 | 129 |
| 13 | 137 |
| 14 | 148 |
| 15 | 172 |
| 16 | 248 |
| 17 | 760 |
| 18 | 807 |
| 19 | 975 |
| 20 | 1398 |
| 21 | 5231 |
| 22 | 8765 |
| 23 | 24182 |