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 | 1 |
| 1 | 8 |
| 2 | 37 |
| 3 | 130 |
| 4 | 385 |
| 5 | 1012 |
| 6 | 2431 |
| 7 | 5434 |
| 8 | 11440 |
| 9 | 22880 |
| 10 | 43758 |
| 11 | 80444 |
| 12 | 142766 |
| 13 | 245480 |
| 14 | 410210 |
| 15 | 667964 |
| 16 | 1062347 |
| 17 | 1653608 |
| 18 | 2523675 |
| 19 | 3782350 |
| 20 | 5574855 |
| 21 | 8090940 |
| 22 | 11575785 |
| 23 | 16342950 |
| 24 | 22789650 |
| 25 | 31414656 |
| 26 | 42839148 |
| 27 | 57830872 |