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) |
|---|---|
| 2 | 5 |
| 3 | 10 |
| 4 | 18 |
| 5 | 32 |
| 6 | 45 |
| 7 | 94 |
| 8 | 220 |
| 9 | 175 |
| 10 | 325 |
| 11 | 247 |
| 12 | 630 |
| 13 | 578 |
| 14 | 637 |
| 15 | 1012 |
| 16 | 2712 |
| 17 | 3867 |
| 18 | 4851 |
| 19 | 2993 |
| 20 | 10230 |
| 21 | 2363 |
| 22 | 6435 |