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 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 7 |
| 8 | 8 |
| 9 | 12 |
| 10 | 13 |
| 11 | 17 |
| 12 | 20 |
| 13 | 26 |
| 14 | 28 |
| 15 | 35 |
| 16 | 37 |
| 17 | 44 |
| 18 | 48 |
| 19 | 57 |
| 20 | 60 |
| 21 | 70 |
| 22 | 73 |
| 23 | 83 |
| 24 | 88 |
| 25 | 100 |
| 26 | 104 |