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 | 4 |
| 2 | 341 |
| 3 | 451 |
| 4 | 481 |
| 5 | 671 |
| 6 | 703 |
| 7 | 1105 |
| 8 | 1111 |
| 9 | 1333 |
| 10 | 1729 |
| 11 | 2465 |
| 12 | 3277 |
| 13 | 3281 |
| 14 | 3721 |
| 15 | 3775 |
| 16 | 4681 |
| 17 | 4753 |
| 18 | 5461 |
| 19 | 5611 |
| 20 | 5963 |
| 21 | 6031 |
| 22 | 6601 |
| 23 | 6981 |
| 24 | 7107 |
| 25 | 8149 |
| 26 | 8695 |
| 27 | 8911 |
| 28 | 9005 |
| 29 | 9637 |
| 30 | 12673 |
| 31 | 14701 |
| 32 | 14981 |
| 33 | 15841 |
| 34 | 18721 |
| 35 | 22177 |
| 36 | 23001 |
| 37 | 24211 |
| 38 | 28939 |
| 39 | 29089 |
| 40 | 29341 |
| 41 | 29503 |
| 42 | 29891 |
| 43 | 31621 |