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 | 23 |
| 2 | 37 |
| 3 | 67 |
| 4 | 233 |
| 5 | 277 |
| 6 | 631 |
| 7 | 1039 |
| 8 | 1283 |
| 9 | 1297 |
| 10 | 1307 |
| 11 | 1613 |
| 12 | 1693 |
| 13 | 1709 |
| 14 | 2099 |
| 15 | 2137 |
| 16 | 2333 |
| 17 | 2719 |
| 18 | 2797 |
| 19 | 3271 |
| 20 | 3533 |
| 21 | 3547 |
| 22 | 3571 |
| 23 | 3923 |
| 24 | 4027 |
| 25 | 4253 |
| 26 | 4523 |
| 27 | 4643 |
| 28 | 4793 |
| 29 | 5483 |
| 30 | 5507 |
| 31 | 5647 |
| 32 | 6563 |
| 33 | 7321 |
| 34 | 8831 |
| 35 | 8849 |
| 36 | 9007 |
| 37 | 9029 |
| 38 | 10061 |
| 39 | 10079 |
| 40 | 10289 |
| 41 | 10513 |
| 42 | 12049 |
| 43 | 13687 |