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 | 1 |
| 2 | 5 |
| 3 | 7 |
| 4 | 13 |
| 5 | 19 |
| 6 | 25 |
| 7 | 29 |
| 8 | 31 |
| 9 | 35 |
| 10 | 43 |
| 11 | 53 |
| 12 | 61 |
| 13 | 65 |
| 14 | 67 |
| 15 | 71 |
| 16 | 95 |
| 17 | 125 |
| 18 | 145 |
| 19 | 155 |
| 20 | 175 |
| 21 | 179 |
| 22 | 215 |
| 23 | 239 |
| 24 | 263 |
| 25 | 265 |
| 26 | 269 |
| 27 | 293 |
| 28 | 305 |