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 | 29 |
| 4 | 67 |
| 5 | 83 |
| 6 | 109 |
| 7 | 173 |
| 8 | 239 |
| 9 | 241 |
| 10 | 251 |
| 11 | 293 |
| 12 | 313 |
| 13 | 337 |
| 14 | 367 |
| 15 | 571 |
| 16 | 613 |
| 17 | 769 |
| 18 | 821 |
| 19 | 877 |
| 20 | 941 |
| 21 | 947 |
| 22 | 1031 |
| 23 | 1069 |
| 24 | 1103 |
| 25 | 1511 |
| 26 | 1693 |
| 27 | 1759 |
| 28 | 1901 |
| 29 | 2011 |