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 | 2 |
| 3 | 5 |
| 4 | 12 |
| 5 | 48 |
| 6 | 88 |
| 7 | 269 |
| 8 | 450 |
| 9 | 1176 |
| 10 | 4355 |
| 11 | 6558 |
| 12 | 20958 |
| 13 | 43412 |
| 14 | 61733 |
| 15 | 122194 |
| 16 | 324532 |
| 17 | 820827 |
| 18 | 1107647 |
| 19 | 2652517 |
| 20 | 4655220 |
| 21 | 6133664 |
| 22 | 13751210 |
| 23 | 23192039 |
| 24 | 49730098 |
| 25 | 132657130 |
| 26 | 213646624 |
| 27 | 270244858 |
| 28 | 429702432 |
| 29 | 540212859 |
| 30 | 848899870 |
| 31 | 3905568236 |
| 32 | 5952945182 |
| 33 | 11078643138 |