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 | 2 |
| 2 | 9 |
| 3 | 12 |
| 4 | 20 |
| 5 | 21 |
| 6 | 25 |
| 7 | 29 |
| 8 | 32 |
| 9 | 48 |
| 10 | 49 |
| 11 | 58 |
| 12 | 62 |
| 13 | 65 |
| 14 | 73 |
| 15 | 75 |
| 16 | 81 |
| 17 | 90 |
| 18 | 101 |
| 19 | 110 |
| 20 | 119 |
| 21 | 122 |
| 22 | 139 |
| 23 | 156 |
| 24 | 176 |
| 25 | 181 |
| 26 | 184 |
| 27 | 186 |
| 28 | 189 |
| 29 | 200 |