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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 23 |
| 6 | 46 |
| 7 | 128 |
| 8 | 256 |
| 9 | 125 |
| 10 | 124 |
| 11 | 248 |
| 12 | 469 |
| 13 | 1289 |
| 14 | 13468 |
| 15 | 23678 |
| 16 | 35566 |
| 17 | 11237 |
| 18 | 122446 |
| 19 | 224588 |
| 20 | 145678 |
| 21 | 122579 |
| 22 | 134449 |
| 23 | 368888 |
| 24 | 11266777 |
| 25 | 23334455 |
| 26 | 1466788 |
| 27 | 112234778 |
| 28 | 234455668 |
| 29 | 12356789 |
| 30 | 112344778 |
| 31 | 1234446788 |
| 32 | 2244667999 |