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 | 4 |
| 4 | 5 |
| 5 | 8 |
| 6 | 9 |
| 7 | 28 |
| 8 | 191 |
| 9 | 196 |
| 10 | 2038 |
| 11 | 34414 |
| 12 | 39266 |
| 13 | 50579 |
| 14 | 94286 |
| 15 | 108412 |
| 16 | 130480 |
| 17 | 178091 |
| 18 | 185355 |