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 | 42 |
| 2 | 148180 |
| 3 | 174762 |
| 4 | 2366376 |
| 5 | 2809300 |
| 6 | 3758676 |
| 7 | 3938856 |
| 8 | 4463016 |
| 9 | 4987176 |
| 10 | 6559656 |
| 11 | 6817149 |
| 12 | 11975380 |
| 13 | 12325416 |
| 14 | 12849576 |
| 15 | 13029756 |
| 16 | 13373736 |
| 17 | 15470376 |
| 18 | 17567016 |
| 19 | 18271356 |
| 20 | 23332776 |
| 21 | 23512956 |
| 22 | 24037116 |
| 23 | 24561276 |
| 24 | 25953576 |
| 25 | 26657916 |
| 26 | 27974439 |
| 27 | 28754556 |
| 28 | 28754557 |