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 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 12 |
| 7 | 15 |
| 8 | 18 |
| 9 | 81 |
| 10 | 101 |
| 11 | 123 |
| 12 | 156 |
| 13 | 183 |
| 14 | 212 |
| 15 | 255 |
| 16 | 289 |
| 17 | 325 |
| 18 | 648 |
| 19 | 723 |
| 20 | 802 |
| 21 | 903 |
| 22 | 991 |
| 23 | 1083 |
| 24 | 1200 |
| 25 | 1301 |
| 26 | 1406 |
| 27 | 19683 |
| 28 | 21953 |
| 29 | 24391 |
| 30 | 27030 |
| 31 | 29823 |
| 32 | 32802 |