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 | 1 |
| 2 | 2 |
| 3 | 7 |
| 4 | 25 |
| 5 | 26 |
| 6 | 48 |
| 7 | 49 |
| 8 | 121 |
| 9 | 122 |
| 10 | 144 |
| 11 | 145 |
| 12 | 240 |
| 13 | 721 |
| 14 | 722 |
| 15 | 726 |
| 16 | 1440 |
| 17 | 1441 |
| 18 | 1442 |
| 19 | 5041 |
| 20 | 5042 |
| 21 | 5162 |
| 22 | 5760 |