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 | 2 |
| 2 | 3 |
| 3 | 9 |
| 4 | 14 |
| 5 | 43 |
| 6 | 67 |
| 7 | 89 |
| 8 | 206 |
| 9 | 209 |
| 10 | 321 |
| 11 | 881 |
| 12 | 987 |
| 13 | 1538 |
| 14 | 1934 |
| 15 | 3121 |
| 16 | 4003 |
| 17 | 4689 |
| 18 | 4729 |
| 19 | 7369 |
| 20 | 8009 |
| 21 | 8721 |
| 22 | 14627 |
| 23 | 22658 |
| 24 | 35307 |
| 25 | 43889 |
| 26 | 44289 |
| 27 | 46606 |
| 28 | 86329 |
| 29 | 86987 |