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 | 11 |
| 2 | 31 |
| 3 | 121 |
| 4 | 485 |
| 5 | 1487 |
| 6 | 1579 |
| 7 | 13673 |
| 8 | 13811 |
| 9 | 15095 |
| 10 | 72773 |
| 11 | 94212 |