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 | 5 |
| 2 | 11 |
| 3 | 13 |
| 4 | 181 |
| 5 | 1523 |
| 6 | 1741 |
| 7 | 2521 |
| 8 | 19531 |
| 9 | 24421 |
| 10 | 29789 |
| 11 | 76543 |
| 12 | 108529 |
| 13 | 489061 |
| 14 | 880301 |
| 15 | 1769069 |
| 16 | 6811741 |