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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 8 |
| 7 | 9 |
| 8 | 12 |
| 9 | 13 |
| 10 | 18 |
| 11 | 24 |
| 12 | 38 |
| 13 | 48 |
| 14 | 60 |
| 15 | 113 |
| 16 | 196 |
| 17 | 210 |
| 18 | 391 |
| 19 | 681 |
| 20 | 739 |
| 21 | 778 |
| 22 | 1653 |
| 23 | 1778 |
| 24 | 1796 |
| 25 | 1820 |
| 26 | 2391 |
| 27 | 2505 |
| 28 | 4595 |
| 29 | 8937 |