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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 14 |
| 6 | 15 |
| 7 | 534 |
| 8 | 7451 |
| 9 | 12737 |
| 10 | 22466 |
| 11 | 68346 |
| 12 | 148017 |
| 13 | 217441 |
| 14 | 320408 |
| 15 | 533679 |
| 16 | 4156269 |
| 17 | 4886972 |
| 18 | 10253793 |
| 19 | 13761184 |
| 20 | 14358891 |
| 21 | 35950987 |
| 22 | 68665026 |
| 23 | 455880544 |
| 24 | 10065016098 |