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 | 2 |
| 2 | 3 |
| 3 | 9 |
| 4 | 74 |
| 5 | 8098 |
| 6 | 101114070 |
| 7 | 10080916639334518 |
| 8 | 234737156891222571756748160861129 |
| 9 | 104728182461244680288139397973895577148266725366426255244889745185 |