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 | 23 |
| 2 | 233 |
| 3 | 443 |
| 4 | 653 |
| 5 | 863 |
| 6 | 1283 |
| 7 | 1493 |
| 8 | 1913 |
| 9 | 2333 |
| 10 | 2543 |
| 11 | 2753 |
| 12 | 2963 |
| 13 | 3593 |
| 14 | 3803 |
| 15 | 4013 |
| 16 | 4643 |
| 17 | 5273 |
| 18 | 5483 |
| 19 | 5693 |
| 20 | 5903 |
| 21 | 6113 |
| 22 | 6323 |
| 23 | 7583 |
| 24 | 7793 |
| 25 | 8423 |
| 26 | 9473 |
| 27 | 10103 |
| 28 | 10313 |
| 29 | 10733 |
| 30 | 11783 |
| 31 | 12203 |
| 32 | 12413 |
| 33 | 13043 |
| 34 | 13463 |
| 35 | 13883 |
| 36 | 14303 |
| 37 | 14723 |
| 38 | 15773 |
| 39 | 16193 |