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 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 3 |
| 9 | 2 |
| 10 | 6 |
| 11 | 8 |
| 12 | 11 |
| 13 | 26 |
| 14 | 28 |
| 15 | 67 |
| 16 | 96 |
| 17 | 162 |
| 18 | 316 |
| 19 | 448 |
| 20 | 922 |
| 21 | 1435 |
| 22 | 2572 |
| 23 | 4660 |
| 24 | 7563 |
| 25 | 14397 |
| 26 | 23896 |
| 27 | 43337 |
| 28 | 77097 |
| 29 | 133071 |
| 30 | 244787 |
| 31 | 423093 |
| 32 | 767732 |
| 33 | 1367412 |
| 34 | 2426612 |
| 35 | 4408497 |
| 36 | 7802348 |
| 37 | 14152342 |
| 38 | 25365035 |
| 39 | 45602031 |
| 40 | 82631362 |
| 41 | 148246136 |
| 42 | 269103870 |
| 43 | 485379304 |