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 | 101 |
| 1 | 181 |
| 2 | 191 |
| 3 | 313 |
| 4 | 727 |
| 5 | 757 |
| 6 | 787 |
| 7 | 797 |
| 8 | 13931 |
| 9 | 71317 |
| 10 | 73237 |
| 11 | 77977 |
| 12 | 7791977 |