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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 7 |
| 6 | 14 |
| 7 | 24 |
| 8 | 48 |
| 9 | 83 |
| 10 | 155 |
| 11 | 265 |
| 12 | 472 |
| 13 | 793 |
| 14 | 1356 |
| 15 | 2235 |
| 16 | 3700 |
| 17 | 5977 |
| 18 | 9636 |
| 19 | 15262 |
| 20 | 24068 |
| 21 | 37439 |
| 22 | 57920 |
| 23 | 88628 |
| 24 | 134838 |
| 25 | 203264 |
| 26 | 304688 |
| 27 | 453126 |
| 28 | 670238 |
| 29 | 984556 |
| 30 | 1438878 |
| 31 | 2089996 |
| 32 | 3021162 |
| 33 | 4343229 |
| 34 | 6215668 |
| 35 | 8851151 |
| 36 | 12550775 |
| 37 | 17716075 |
| 38 | 24907961 |
| 39 | 34873541 |
| 40 | 48644474 |