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 | 3 |
| 4 | 4 |
| 5 | 8 |
| 6 | 33 |
| 7 | 121 |
| 8 | 177 |
| 9 | 190 |
| 10 | 276 |
| 11 | 473 |
| 12 | 484 |
| 13 | 924 |
| 14 | 937 |
| 15 | 1722 |
| 16 | 2626 |
| 17 | 4077 |
| 18 | 4464 |
| 19 | 6166 |