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 | 2 |
| 2 | 5 |
| 3 | 8 |
| 4 | 34 |
| 5 | 65 |
| 6 | 144 |
| 7 | 296 |
| 8 | 401 |
| 9 | 490 |
| 10 | 520 |
| 11 | 2165 |
| 12 | 3590 |
| 13 | 4640 |
| 14 | 4828 |
| 15 | 6828 |
| 16 | 8704 |
| 17 | 17675 |
| 18 | 21164 |
| 19 | 52883 |
| 20 | 84762 |
| 21 | 162069 |
| 22 | 358838 |
| 23 | 1463826 |
| 24 | 1593474 |
| 25 | 1668393 |
| 26 | 2086706 |
| 27 | 4364420 |
| 28 | 20471838 |
| 29 | 31960444 |