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 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 4 |
| 8 | 5 |
| 9 | 9 |
| 10 | 13 |
| 11 | 18 |
| 12 | 28 |
| 13 | 41 |
| 14 | 59 |
| 15 | 88 |
| 16 | 129 |
| 17 | 188 |
| 18 | 277 |
| 19 | 406 |
| 20 | 594 |
| 21 | 872 |
| 22 | 1278 |
| 23 | 1872 |
| 24 | 2745 |
| 25 | 4023 |
| 26 | 5895 |
| 27 | 8641 |
| 28 | 12664 |
| 29 | 18559 |
| 30 | 27201 |
| 31 | 39865 |
| 32 | 58424 |
| 33 | 85626 |
| 34 | 125491 |
| 35 | 183915 |
| 36 | 269542 |
| 37 | 395033 |
| 38 | 578948 |
| 39 | 848491 |
| 40 | 1243524 |
| 41 | 1822472 |
| 42 | 2670964 |
| 43 | 3914488 |