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) |
|---|---|
| 3 | 7 |
| 4 | 589 |
| 5 | 11064985 |
| 6 | 7835767761026353 |
| 7 | 7859104819806710982081319640824417 |
| 8 | 15811975313589523224392147529414564125936123169432771986649715567359169 |