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 | 27 |
| 2 | 343 |
| 3 | 729 |
| 4 | 1331 |
| 5 | 2197 |
| 6 | 6859 |
| 7 | 29791 |
| 8 | 50653 |
| 9 | 59319 |
| 10 | 103823 |
| 11 | 185193 |
| 12 | 226981 |
| 13 | 250047 |
| 14 | 389017 |
| 15 | 456533 |
| 16 | 704969 |
| 17 | 804357 |
| 18 | 2048383 |
| 19 | 2352637 |
| 20 | 3869893 |
| 21 | 5000211 |
| 22 | 5929741 |
| 23 | 9393931 |
| 24 | 11697083 |
| 25 | 13312053 |
| 26 | 13651919 |
| 27 | 14348907 |
| 28 | 15813251 |
| 29 | 19034163 |
| 30 | 20346417 |
| 31 | 24642171 |
| 32 | 27818127 |