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 | 5 |
| 3 | 13 |
| 4 | 29 |
| 5 | 49 |
| 6 | 83 |
| 7 | 130 |
| 8 | 202 |
| 9 | 297 |
| 10 | 423 |
| 11 | 591 |
| 12 | 799 |
| 13 | 1061 |
| 14 | 1404 |
| 15 | 1837 |
| 16 | 2344 |
| 17 | 2978 |
| 18 | 3777 |
| 19 | 4753 |
| 20 | 5899 |
| 21 | 7338 |
| 22 | 9036 |
| 23 | 11118 |
| 24 | 13489 |
| 25 | 16223 |