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 | 7 |
| 4 | 13 |
| 5 | 43 |
| 6 | 89 |
| 7 | 313 |
| 8 | 613 |
| 9 | 643 |
| 10 | 743 |
| 11 | 1171 |
| 12 | 1279 |
| 13 | 1627 |
| 14 | 1823 |
| 15 | 1867 |
| 16 | 1999 |
| 17 | 2311 |
| 18 | 2393 |
| 19 | 2683 |
| 20 | 2753 |
| 21 | 2789 |
| 22 | 3571 |
| 23 | 4441 |
| 24 | 4561 |
| 25 | 5039 |
| 26 | 5231 |
| 27 | 5647 |
| 28 | 5953 |
| 29 | 6067 |
| 30 | 6317 |
| 31 | 6899 |
| 32 | 8039 |
| 33 | 8087 |
| 34 | 8753 |
| 35 | 8923 |
| 36 | 9337 |
| 37 | 9787 |
| 38 | 9931 |
| 39 | 10259 |
| 40 | 10667 |