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 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 7 |
| 6 | 9 |
| 7 | 10 |
| 8 | 11 |
| 9 | 27 |
| 10 | 35 |
| 11 | 85 |
| 12 | 169 |
| 13 | 209 |
| 14 | 221 |
| 15 | 321 |
| 16 | 347 |
| 17 | 603 |
| 18 | 610 |
| 19 | 1229 |
| 20 | 1391 |
| 21 | 2171 |
| 22 | 2303 |
| 23 | 2679 |
| 24 | 3977 |
| 25 | 4545 |
| 26 | 5721 |
| 27 | 7090 |
| 28 | 35877 |