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 | 2 |
| 3 | 10 |
| 4 | 22 |
| 5 | 47 |
| 6 | 208 |
| 7 | 224 |
| 8 | 974 |
| 9 | 1934 |
| 10 | 1972 |
| 11 | 3765 |
| 12 | 3893 |
| 13 | 8058 |
| 14 | 15738 |
| 15 | 16122 |
| 16 | 65080 |
| 17 | 129592 |
| 18 | 130104 |