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) |
|---|---|
| 0 | 8 |
| 1 | 488 |
| 2 | 116212808 |
| 3 | 1569502402942700328379688 |
| 4 | 3866214585126515728777536857817155683642224883875510905654220958052649608 |