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 | 6859 |
| 4 | 24389 |
| 5 | 50653 |
| 6 | 79507 |
| 7 | 97336 |
| 8 | 205379 |
| 9 | 300763 |
| 10 | 456533 |
| 11 | 493039 |
| 12 | 636056 |
| 13 | 704969 |
| 14 | 2048383 |
| 15 | 2924207 |
| 16 | 3307949 |
| 17 | 3869893 |
| 18 | 4330747 |
| 19 | 4657463 |
| 20 | 4826809 |
| 21 | 5735339 |
| 22 | 6539203 |
| 23 | 7645373 |
| 24 | 7880599 |
| 25 | 23639903 |
| 26 | 26730899 |
| 27 | 28934443 |
| 28 | 30664297 |
| 29 | 33698267 |
| 30 | 38272753 |
| 31 | 42508549 |