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 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 9 |
| 7 | 13 |
| 8 | 18 |
| 9 | 25 |
| 10 | 35 |
| 11 | 49 |
| 12 | 68 |
| 13 | 94 |
| 14 | 130 |
| 15 | 180 |
| 16 | 249 |
| 17 | 344 |
| 18 | 475 |
| 19 | 656 |
| 20 | 906 |
| 21 | 1251 |
| 22 | 1727 |
| 23 | 2384 |
| 24 | 3291 |
| 25 | 4543 |
| 26 | 6271 |
| 27 | 8656 |
| 28 | 11948 |
| 29 | 16492 |
| 30 | 22764 |
| 31 | 31421 |
| 32 | 43370 |
| 33 | 59863 |
| 34 | 82628 |
| 35 | 114050 |
| 36 | 157421 |
| 37 | 217285 |
| 38 | 299914 |
| 39 | 413965 |
| 40 | 571387 |
| 41 | 788673 |
| 42 | 1088588 |
| 43 | 1502554 |