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 | 23 |
| 2 | 83 |
| 3 | 113 |
| 4 | 1123 |
| 5 | 200003 |
| 6 | 328127 |
| 7 | 381289 |
| 8 | 714597769 |
| 9 | 4916552822383 |