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 | 2 |
| 1 | 24 |
| 2 | 124 |
| 3 | 368 |
| 4 | 746 |
| 5 | 1288 |
| 6 | 2220 |
| 7 | 3536 |
| 8 | 4964 |
| 9 | 6904 |
| 10 | 9536 |
| 11 | 12112 |
| 12 | 15630 |
| 13 | 20592 |
| 14 | 24588 |
| 15 | 29632 |
| 16 | 37472 |
| 17 | 43296 |
| 18 | 50492 |
| 19 | 61456 |
| 20 | 68724 |
| 21 | 79560 |
| 22 | 95404 |
| 23 | 104352 |
| 24 | 118226 |
| 25 | 137392 |
| 26 | 148636 |
| 27 | 167920 |
| 28 | 191904 |
| 29 | 204712 |