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 | 3 |
| 2 | 7 |
| 3 | 47 |
| 4 | 73 |
| 5 | 79 |
| 6 | 113 |
| 7 | 151 |
| 8 | 167 |
| 9 | 239 |
| 10 | 241 |
| 11 | 353 |
| 12 | 367 |
| 13 | 457 |
| 14 | 1367 |
| 15 | 3041 |
| 16 | 27529 |
| 17 | 49207 |
| 18 | 160423 |
| 19 | 364289 |
| 20 | 991961 |
| 21 | 1203793 |
| 22 | 1667321 |
| 23 | 4792057 |