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) |
|---|---|
| 3 | 2 |
| 4 | 4 |
| 5 | 10 |
| 6 | 17 |
| 7 | 29 |
| 8 | 47 |
| 9 | 79 |
| 10 | 128 |
| 11 | 208 |
| 12 | 337 |
| 13 | 546 |
| 14 | 883 |
| 15 | 1429 |
| 16 | 2312 |
| 17 | 3741 |
| 18 | 6053 |
| 19 | 9794 |
| 20 | 15847 |
| 21 | 25641 |
| 22 | 41488 |
| 23 | 67129 |
| 24 | 108617 |