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 | 0 |
| 1 | 119 |
| 2 | 3104 |
| 3 | 29319 |
| 4 | 162104 |
| 5 | 643535 |
| 6 | 2040744 |
| 7 | 5502959 |
| 8 | 13129424 |
| 9 | 28468359 |
| 10 | 57167120 |
| 11 | 107793719 |
| 12 | 192849864 |
| 13 | 329995679 |
| 14 | 543506264 |
| 15 | 865980255 |
| 16 | 1340320544 |
| 17 | 2022007319 |
| 18 | 2981683584 |
| 19 | 4308073319 |
| 20 | 6111252440 |
| 21 | 8526292719 |
| 22 | 11717298824 |