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 | 20021154 |
| 2 | 28503474 |
| 3 | 53728674 |
| 4 | 224539314 |
| 5 | 242917674 |
| 6 | 304178874 |
| 7 | 341295954 |
| 8 | 370845474 |
| 9 | 377692314 |
| 10 | 443998554 |
| 11 | 533007474 |
| 12 | 610484874 |
| 13 | 709445274 |
| 14 | 855529674 |
| 15 | 964885074 |
| 16 | 978052074 |
| 17 | 1069943874 |
| 18 | 1114988874 |
| 19 | 1167961794 |