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 | 5 |
| 3 | 3 |
| 4 | 5 |
| 5 | 5 |
| 6 | 53 |
| 7 | 11 |
| 8 | 239 |
| 9 | 53 |
| 10 | 191 |
| 11 | 1229 |
| 12 | 5 |
| 13 | 233 |
| 14 | 347 |
| 15 | 1367 |
| 16 | 9767 |
| 17 | 2063 |
| 18 | 89 |
| 19 | 14009 |
| 20 | 3329 |
| 21 | 19991 |
| 22 | 50849 |
| 23 | 2711 |
| 24 | 337871 |
| 25 | 46301 |
| 26 | 2543 |
| 27 | 413093 |
| 28 | 1157111 |
| 29 | 615161 |
| 30 | 1138649 |
| 31 | 3778427 |