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 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 12 |
| 7 | 21 |
| 8 | 35 |
| 9 | 58 |
| 10 | 102 |
| 11 | 171 |
| 12 | 284 |
| 13 | 485 |
| 14 | 819 |
| 15 | 1355 |
| 16 | 2301 |
| 17 | 3884 |
| 18 | 6528 |
| 19 | 10983 |
| 20 | 18380 |
| 21 | 30824 |
| 22 | 51851 |