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 | 2 |
| 2 | 5 |
| 3 | 11 |
| 4 | 23 |
| 5 | 48 |
| 6 | 101 |
| 7 | 218 |
| 8 | 473 |
| 9 | 1044 |
| 10 | 2284 |
| 11 | 5011 |
| 12 | 10979 |
| 13 | 23954 |