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 | 5 |
| 2 | 118 |
| 3 | 25102 |
| 4 | 3098488794 |
| 5 | 14128130137829281462 |
| 6 | 485584015670165519973653386760357384912 |
| 7 | 314540562973936255020142367073783456663449048259761865641894253491267983125499 |