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 | 5 |
| 3 | 217 |
| 4 | 1065 |
| 5 | 93448 |
| 6 | 39545957 |
| 7 | 240439822 |
| 8 | 1894541497 |
| 9 | 132563927578 |
| 10 | 309101198255 |