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 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 10 |
| 8 | 15 |
| 9 | 19 |
| 10 | 24 |
| 11 | 39 |
| 12 | 49 |
| 13 | 78 |
| 14 | 106 |
| 15 | 155 |
| 16 | 207 |
| 17 | 313 |
| 18 | 430 |
| 19 | 608 |
| 20 | 867 |
| 21 | 1239 |
| 22 | 1670 |
| 23 | 2313 |
| 24 | 3220 |
| 25 | 4483 |