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 | 2 |
| 2 | 5 |
| 3 | 3 |
| 4 | 7 |
| 5 | 11 |
| 6 | 59 |
| 7 | 579 |
| 8 | 33523 |
| 9 | 19375715 |
| 10 | 649512684707 |
| 11 | 12584772018235630083 |
| 12 | 8173969059977170083865314925891 |
| 13 | 102867537103924486790122812065087346778963284622979 |