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 | 113 |
| 3 | 163 |
| 4 | 263 |
| 5 | 313 |
| 6 | 463 |
| 7 | 563 |
| 8 | 613 |
| 9 | 863 |
| 10 | 1013 |
| 11 | 1063 |
| 12 | 1163 |
| 13 | 1213 |
| 14 | 1613 |
| 15 | 1663 |
| 16 | 1913 |
| 17 | 2063 |
| 18 | 2113 |
| 19 | 2213 |
| 20 | 2663 |
| 21 | 2713 |
| 22 | 2963 |
| 23 | 3163 |
| 24 | 3313 |
| 25 | 3413 |
| 26 | 3463 |
| 27 | 3613 |
| 28 | 3863 |
| 29 | 4013 |
| 30 | 4363 |
| 31 | 4463 |
| 32 | 4513 |
| 33 | 4663 |
| 34 | 4813 |
| 35 | 5113 |
| 36 | 5413 |
| 37 | 5563 |
| 38 | 5813 |
| 39 | 6113 |
| 40 | 6163 |
| 41 | 6263 |
| 42 | 6563 |
| 43 | 6763 |
| 44 | 6863 |