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 | 15 |
| 2 | 42 |
| 3 | 71 |
| 4 | 168 |
| 5 | 9172 |
| 6 | 15844 |
| 7 | 542482 |
| 8 | 548554 |
| 9 | 5947459 |
| 10 | 9825757 |
| 11 | 176874995 |
| 12 | 671960665 |