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 | 0 |
| 2 | 0 |
| 3 | 3 |
| 4 | 4 |
| 5 | 11 |
| 6 | 16 |
| 7 | 32 |
| 8 | 49 |
| 9 | 87 |
| 10 | 137 |
| 11 | 231 |
| 12 | 369 |
| 13 | 608 |
| 14 | 978 |
| 15 | 1595 |
| 16 | 2574 |
| 17 | 4179 |
| 18 | 6754 |
| 19 | 10944 |
| 20 | 17699 |
| 21 | 28655 |
| 22 | 46355 |
| 23 | 75023 |
| 24 | 121379 |
| 25 | 196416 |
| 26 | 317796 |
| 27 | 514227 |
| 28 | 832024 |
| 29 | 1346267 |