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 | 2 |
| 4 | 1024 |
| 5 | 1025 |
| 6 | 2048 |
| 7 | 59049 |
| 8 | 59050 |
| 9 | 60073 |
| 10 | 118098 |
| 11 | 1048576 |
| 12 | 1048577 |
| 13 | 1049600 |
| 14 | 1107625 |
| 15 | 2097152 |
| 16 | 9765625 |
| 17 | 9765626 |
| 18 | 9766649 |
| 19 | 9824674 |
| 20 | 10814201 |
| 21 | 19531250 |
| 22 | 60466176 |
| 23 | 60466177 |
| 24 | 60467200 |
| 25 | 60525225 |
| 26 | 61514752 |
| 27 | 70231801 |
| 28 | 120932352 |