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 | 4 |
| 3 | 8 |
| 4 | 31 |
| 5 | 61 |
| 6 | 89 |
| 7 | 200 |
| 8 | 217 |
| 9 | 257 |
| 10 | 1366 |
| 11 | 3642 |
| 12 | 4926 |
| 13 | 20265 |