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 | 8 |
| 2 | 25 |
| 3 | 38 |
| 4 | 83 |
| 5 | 372 |
| 6 | 992 |
| 7 | 2503 |
| 8 | 7611 |
| 9 | 21321 |
| 10 | 57872 |
| 11 | 165477 |
| 12 | 466562 |
| 13 | 1295244 |
| 14 | 3650383 |
| 15 | 10273619 |
| 16 | 28731647 |
| 17 | 80699298 |
| 18 | 226782203 |
| 19 | 635782434 |
| 20 | 1784439210 |
| 21 | 5010891107 |
| 22 | 14059108195 |
| 23 | 39455529673 |
| 24 | 110758862832 |
| 25 | 310832105329 |
| 26 | 872338548750 |