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 | 0 |
| 2 | 1 |
| 3 | 24 |
| 4 | 25 |
| 5 | 28 |
| 6 | 288 |
| 7 | 2485 |
| 8 | 2550 |
| 9 | 2888 |
| 10 | 2946 |
| 11 | 28888 |
| 12 | 146777 |
| 13 | 264334 |
| 14 | 288888 |
| 15 | 292276 |
| 16 | 2834101 |
| 17 | 2873233 |
| 18 | 2888888 |
| 19 | 2952316 |
| 20 | 2960816 |
| 21 | 2985943 |
| 22 | 2995631 |
| 23 | 14604657 |
| 24 | 16353547 |
| 25 | 28888888 |
| 26 | 29190748 |
| 27 | 29585508 |
| 28 | 148278137 |
| 29 | 264056434 |
| 30 | 288888888 |
| 31 | 2853889203 |
| 32 | 2931604151 |
| 33 | 28988127118 |