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 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 6 |
| 5 | 10 |
| 6 | 11 |
| 7 | 19 |
| 8 | 20 |
| 9 | 23 |
| 10 | 25 |
| 11 | 26 |
| 12 | 71 |
| 13 | 80 |
| 14 | 91 |
| 15 | 101 |
| 16 | 139 |
| 17 | 150 |
| 18 | 179 |
| 19 | 200 |
| 20 | 246 |
| 21 | 599 |
| 22 | 626 |
| 23 | 1126 |
| 24 | 2215 |
| 25 | 4189 |
| 26 | 7795 |
| 27 | 30626 |
| 28 | 66941 |
| 29 | 87630 |
| 30 | 104388 |