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) |
|---|---|
| 4 | 16 |
| 5 | 50 |
| 6 | 304 |
| 7 | 93032 |
| 8 | 17310371214 |
| 9 | 1498244757849709540196 |
| 10 | 3363165974015385428987990761994364730059919325224645845292529932 |