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 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 9 |
| 6 | 45 |
| 7 | 57 |
| 8 | 130 |
| 9 | 142 |
| 10 | 198 |
| 11 | 273 |
| 12 | 331 |
| 13 | 2494 |
| 14 | 8437 |
| 15 | 10210 |
| 16 | 17377 |
| 17 | 19972 |