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 | 11 |
| 4 | 19 |
| 5 | 23 |
| 6 | 29 |
| 7 | 53 |
| 8 | 67 |
| 9 | 71 |
| 10 | 79 |
| 11 | 109 |
| 12 | 121 |
| 13 | 275 |
| 14 | 707 |
| 15 | 725 |
| 16 | 1345 |
| 17 | 1961 |
| 18 | 2221 |
| 19 | 2477 |
| 20 | 2765 |
| 21 | 5557 |
| 22 | 5779 |
| 23 | 7423 |
| 24 | 11587 |
| 25 | 22495 |
| 26 | 25063 |
| 27 | 28795 |
| 28 | 43783 |