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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 36 |
| 6 | 80 |
| 7 | 194 |
| 8 | 500 |
| 9 | 1342 |
| 10 | 3623 |
| 11 | 9835 |
| 12 | 26412 |
| 13 | 70505 |
| 14 | 187805 |
| 15 | 500627 |