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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 11 |
| 7 | 14 |
| 8 | 19 |
| 9 | 28 |
| 10 | 39 |
| 11 | 50 |
| 12 | 70 |
| 13 | 91 |
| 14 | 120 |
| 15 | 161 |
| 16 | 203 |
| 17 | 260 |
| 18 | 338 |
| 19 | 426 |
| 20 | 556 |
| 21 | 695 |
| 22 | 863 |
| 23 | 1082 |
| 24 | 1360 |
| 25 | 1685 |