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) |
|---|---|
| 0 | 511 |
| 1 | 713 |
| 2 | 1117 |
| 3 | 1319 |
| 4 | 1723 |
| 5 | 2329 |
| 6 | 3137 |
| 7 | 3743 |
| 8 | 4147 |
| 9 | 4753 |
| 10 | 5359 |
| 11 | 6167 |
| 12 | 6773 |
| 13 | 7379 |
| 14 | 8389 |
| 15 | 97103 |
| 16 | 101107 |
| 17 | 103109 |
| 18 | 107113 |
| 19 | 131137 |
| 20 | 151157 |
| 21 | 157163 |
| 22 | 167173 |
| 23 | 173179 |
| 24 | 191197 |
| 25 | 193199 |
| 26 | 223229 |