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 | 271 |
| 2 | 593 |
| 3 | 701 |
| 4 | 751 |
| 5 | 919 |
| 6 | 1169 |
| 7 | 1241 |
| 8 | 1639 |
| 9 | 1649 |
| 10 | 1673 |
| 11 | 1711 |
| 12 | 1751 |
| 13 | 2071 |
| 14 | 2311 |
| 15 | 2393 |
| 16 | 2549 |
| 17 | 2551 |
| 18 | 2609 |
| 19 | 2729 |
| 20 | 2861 |
| 21 | 2863 |
| 22 | 2897 |
| 23 | 2899 |
| 24 | 3185 |
| 25 | 3331 |
| 26 | 3569 |
| 27 | 3631 |
| 28 | 3823 |
| 29 | 3849 |
| 30 | 3851 |
| 31 | 3943 |
| 32 | 3977 |
| 33 | 4231 |
| 34 | 4265 |
| 35 | 4649 |
| 36 | 4663 |
| 37 | 5071 |
| 38 | 5081 |
| 39 | 5237 |
| 40 | 5239 |
| 41 | 5391 |
| 42 | 5551 |
| 43 | 5561 |
| 44 | 5585 |
| 45 | 5741 |