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 | 7 |
| 3 | 13 |
| 4 | 47 |
| 5 | 73 |
| 6 | 139 |
| 7 | 1123 |
| 8 | 1447 |
| 9 | 6877 |
| 10 | 8209 |
| 11 | 18041 |
| 12 | 27955 |
| 13 | 39311 |
| 14 | 64801 |