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 | 131073 |
| 3 | 129140164 |
| 4 | 17180000257 |
| 5 | 762939453126 |
| 6 | 1410565726331 |
| 7 | 232630513987208 |
| 8 | 2251816993685505 |
| 9 | 16677181828806733 |
| 10 | 50000381469792099 |
| 11 | 505447028499293772 |
| 12 | 554657012677255537 |
| 13 | 8650415919381337934 |
| 14 | 3811447419980664273 |
| 15 | 32842042032920650888 |
| 16 | 295150156996346511361 |