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 | 11 |
| 1 | 101 |
| 2 | 73 |
| 3 | 17 |
| 4 | 353 |
| 5 | 19841 |
| 6 | 1265011073 |
| 7 | 257 |
| 8 | 10753 |
| 9 | 1514497 |
| 10 | 1856104284667693057 |
| 11 | 106907803649 |
| 12 | 458924033 |
| 13 | 3635898263938497962802538435084289 |