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 | 103 |
| 3 | 1543 |
| 4 | 19289 |
| 5 | 2412779 |
| 6 | 25485211 |
| 7 | 2666790167 |
| 8 | 26684834641 |
| 9 | 2593131866483 |
| 10 | 2358539553316997 |
| 11 | 22624672879215149 |