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 | 8 |
| 3 | 14 |
| 4 | 21 |
| 5 | 29 |
| 6 | 41 |
| 7 | 51 |
| 8 | 65 |
| 9 | 85 |
| 10 | 99 |
| 11 | 121 |
| 12 | 135 |
| 13 | 163 |
| 14 | 182 |
| 15 | 211 |
| 16 | 229 |
| 17 | 255 |
| 18 | 291 |
| 19 | 313 |
| 20 | 351 |
| 21 | 389 |
| 22 | 423 |
| 23 | 461 |
| 24 | 507 |
| 25 | 543 |
| 26 | 571 |
| 27 | 627 |
| 28 | 673 |
| 29 | 721 |
| 30 | 781 |