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 | 2 |
| 2 | 3 |
| 3 | 23 |
| 4 | 83 |
| 5 | 223 |
| 6 | 233 |
| 7 | 263 |
| 8 | 283 |
| 9 | 383 |
| 10 | 683 |
| 11 | 823 |
| 12 | 863 |
| 13 | 883 |
| 14 | 2333 |
| 15 | 2383 |
| 16 | 2633 |
| 17 | 2663 |
| 18 | 2683 |
| 19 | 2833 |
| 20 | 3323 |
| 21 | 3623 |
| 22 | 3823 |
| 23 | 3833 |
| 24 | 3863 |
| 25 | 6263 |
| 26 | 6323 |
| 27 | 6823 |
| 28 | 6833 |
| 29 | 6863 |
| 30 | 6883 |
| 31 | 8233 |
| 32 | 8263 |
| 33 | 8363 |
| 34 | 8623 |
| 35 | 8663 |
| 36 | 8863 |
| 37 | 22283 |
| 38 | 23333 |
| 39 | 23623 |
| 40 | 23633 |
| 41 | 23663 |
| 42 | 23833 |
| 43 | 26263 |
| 44 | 26633 |
| 45 | 26683 |