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 | 1 |
| 3 | 9 |
| 4 | 14 |
| 5 | 22 |
| 6 | 44 |
| 7 | 74 |
| 8 | 160 |
| 9 | 256 |
| 10 | 462 |
| 11 | 817 |
| 12 | 1494 |
| 13 | 2543 |
| 14 | 4427 |
| 15 | 7699 |
| 16 | 13352 |
| 17 | 22616 |
| 18 | 38610 |
| 19 | 65052 |
| 20 | 110004 |
| 21 | 182961 |
| 22 | 305007 |
| 23 | 503299 |
| 24 | 830648 |
| 25 | 1356227 |
| 26 | 2212790 |
| 27 | 3583419 |
| 28 | 5790836 |