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 | 10 |
| 4 | 52 |
| 5 | 112 |
| 6 | 212 |
| 7 | 346 |
| 8 | 406 |
| 9 | 512 |
| 10 | 13904 |
| 11 | 76610 |
| 12 | 89746 |
| 13 | 114892 |