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 | 343 |
| 1 | 6859 |
| 2 | 29791 |
| 3 | 79507 |
| 4 | 166375 |
| 5 | 300763 |
| 6 | 493039 |
| 7 | 753571 |
| 8 | 1092727 |
| 9 | 1520875 |
| 10 | 2048383 |
| 11 | 2685619 |
| 12 | 3442951 |
| 13 | 4330747 |
| 14 | 5359375 |
| 15 | 6539203 |
| 16 | 7880599 |
| 17 | 9393931 |
| 18 | 11089567 |
| 19 | 12977875 |
| 20 | 15069223 |
| 21 | 17373979 |
| 22 | 19902511 |