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 | 112890 |
| 3 | 120054 |
| 4 | 124338 |
| 5 | 133998 |
| 6 | 137058 |
| 7 | 139962 |
| 8 | 36705396 |
| 9 | 39118548 |
| 10 | 52166212 |
| 11 | 4661585292 |
| 12 | 4677211812 |
| 13 | 4851457716 |
| 14 | 4968055596 |
| 15 | 6168611160 |
| 16 | 6232929480 |
| 17 | 6236525932 |
| 18 | 6261521812 |
| 19 | 6311227560 |
| 20 | 6362855640 |
| 21 | 6430524120 |
| 22 | 6468862876 |
| 23 | 6488003880 |
| 24 | 6500134440 |
| 25 | 6506266732 |