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 | 4 |
| 2 | 14 |
| 3 | 23 |
| 4 | 34 |
| 5 | 42 |
| 6 | 50 |
| 7 | 59 |
| 8 | 72 |
| 9 | 81 |
| 10 | 86 |
| 11 | 96 |
| 12 | 103 |
| 13 | 110 |
| 14 | 116 |
| 15 | 125 |
| 16 | 135 |
| 17 | 145 |
| 18 | 155 |
| 19 | 163 |
| 20 | 168 |
| 21 | 175 |
| 22 | 181 |
| 23 | 190 |
| 24 | 200 |
| 25 | 207 |