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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 13 |
| 6 | 14 |
| 7 | 38 |
| 8 | 200 |
| 9 | 248 |
| 10 | 884 |
| 11 | 1004 |
| 12 | 1253 |
| 13 | 1634 |
| 14 | 3305 |
| 15 | 3521 |
| 16 | 9601 |
| 17 | 19784 |
| 18 | 72697 |