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 | 18 |
| 2 | 167 |
| 3 | 828 |
| 4 | 2821 |
| 5 | 7582 |
| 6 | 17339 |
| 7 | 35288 |
| 8 | 65769 |
| 9 | 114442 |
| 10 | 188463 |
| 11 | 296660 |
| 12 | 449709 |
| 13 | 660310 |
| 14 | 943363 |
| 15 | 1316144 |
| 16 | 1798481 |
| 17 | 2412930 |
| 18 | 3184951 |
| 19 | 4143084 |
| 20 | 5319125 |
| 21 | 6748302 |
| 22 | 8469451 |
| 23 | 10525192 |
| 24 | 12962105 |
| 25 | 15830906 |
| 26 | 19186623 |
| 27 | 23088772 |
| 28 | 27601533 |
| 29 | 32793926 |