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 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 6 |
| 5 | 11 |
| 6 | 18 |
| 7 | 25 |
| 8 | 32 |
| 9 | 53 |
| 10 | 84 |
| 11 | 107 |
| 12 | 156 |
| 13 | 205 |
| 14 | 302 |
| 15 | 497 |
| 16 | 618 |
| 17 | 863 |
| 18 | 1206 |
| 19 | 1597 |
| 20 | 2228 |
| 21 | 3569 |
| 22 | 4440 |
| 23 | 6191 |
| 24 | 8256 |
| 25 | 11329 |
| 26 | 14642 |
| 27 | 20477 |
| 28 | 30390 |
| 29 | 38555 |
| 30 | 52578 |
| 31 | 69625 |
| 32 | 92696 |
| 33 | 122141 |
| 34 | 160500 |
| 35 | 211955 |
| 36 | 310476 |
| 37 | 386941 |
| 38 | 521102 |
| 39 | 678617 |
| 40 | 901386 |
| 41 | 1155383 |
| 42 | 1529742 |
| 43 | 1940749 |