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 | 226 |
| 3 | 255088 |
| 4 | 6663430912 |
| 5 | 3916162476483538 |
| 6 | 51249820944023435573470 |
| 7 | 14870957102232406137455708164254 |
| 8 | 95494789899510664733921727510895952184006 |