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 | 31 |
| 2 | 41 |
| 3 | 71 |
| 4 | 83 |
| 5 | 281 |
| 6 | 311 |
| 7 | 431 |
| 8 | 479 |
| 9 | 733 |
| 10 | 751 |
| 11 | 797 |
| 12 | 2011 |
| 13 | 2857 |
| 14 | 3163 |
| 15 | 4373 |
| 16 | 4397 |
| 17 | 4943 |
| 18 | 7541 |
| 19 | 7577 |
| 20 | 7583 |
| 21 | 9413 |
| 22 | 9491 |
| 23 | 20533 |
| 24 | 20731 |
| 25 | 20771 |
| 26 | 24151 |
| 27 | 24547 |
| 28 | 24767 |
| 29 | 26249 |
| 30 | 28979 |
| 31 | 31121 |
| 32 | 41201 |
| 33 | 41609 |
| 34 | 43321 |
| 35 | 43391 |
| 36 | 43753 |
| 37 | 45641 |
| 38 | 49459 |
| 39 | 49463 |
| 40 | 49811 |
| 41 | 49891 |