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 | 3 |
| 2 | 9 |
| 3 | 362 |
| 4 | 148807 |
| 5 | 432181530536 |
| 6 | 615828580117398011389583 |
| 7 | 385329014801969222669766835659574445455872858297 |