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 | 625 |
| 2 | 28561 |
| 3 | 83521 |
| 4 | 707281 |
| 5 | 1874161 |
| 6 | 2825761 |
| 7 | 7890481 |
| 8 | 13845841 |
| 9 | 28398241 |
| 10 | 62742241 |
| 11 | 88529281 |
| 12 | 104060401 |
| 13 | 141158161 |
| 14 | 163047361 |
| 15 | 352275361 |
| 16 | 492884401 |
| 17 | 607573201 |
| 18 | 895745041 |
| 19 | 1073283121 |
| 20 | 1387488001 |
| 21 | 1506138481 |
| 22 | 2750058481 |