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 | 588 |
| 2 | 2013 |
| 3 | 5486 |
| 4 | 12713 |
| 5 | 26163 |
| 6 | 49210 |
| 7 | 86275 |
| 8 | 142968 |
| 9 | 226230 |
| 10 | 344475 |
| 11 | 507732 |
| 12 | 727787 |
| 13 | 1018325 |
| 14 | 1395072 |
| 15 | 1875937 |
| 16 | 2481154 |
| 17 | 3233424 |
| 18 | 4158057 |
| 19 | 5283114 |
| 20 | 6639549 |
| 21 | 8261351 |
| 22 | 10185686 |
| 23 | 12453039 |
| 24 | 15107356 |
| 25 | 18196186 |
| 26 | 21770823 |
| 27 | 25886448 |
| 28 | 30602271 |