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 | 13 |
| 2 | 29 |
| 3 | 53 |
| 4 | 149 |
| 5 | 173 |
| 6 | 269 |
| 7 | 293 |
| 8 | 317 |
| 9 | 389 |
| 10 | 509 |
| 11 | 557 |
| 12 | 653 |
| 13 | 773 |
| 14 | 797 |
| 15 | 1109 |
| 16 | 1229 |
| 17 | 1493 |
| 18 | 1637 |
| 19 | 1733 |
| 20 | 1949 |
| 21 | 1997 |
| 22 | 2309 |
| 23 | 2477 |
| 24 | 2693 |
| 25 | 2837 |
| 26 | 2909 |
| 27 | 2957 |
| 28 | 3413 |
| 29 | 3533 |
| 30 | 3677 |
| 31 | 3989 |
| 32 | 4133 |
| 33 | 4157 |
| 34 | 4253 |
| 35 | 4349 |
| 36 | 4373 |
| 37 | 4493 |
| 38 | 4517 |
| 39 | 5189 |
| 40 | 5309 |
| 41 | 5693 |
| 42 | 5717 |
| 43 | 5813 |
| 44 | 6173 |
| 45 | 6197 |