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 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 10 |
| 7 | 19 |
| 8 | 27 |
| 9 | 79 |
| 10 | 198 |
| 11 | 565 |
| 12 | 787 |
| 13 | 2183 |
| 14 | 3811 |
| 15 | 4748 |
| 16 | 6210 |
| 17 | 7887 |
| 18 | 8965 |
| 19 | 13303 |
| 20 | 20125 |
| 21 | 23433 |
| 22 | 28797 |