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 | 3 |
| 2 | 4 |
| 3 | 9 |
| 4 | 9 |
| 5 | 22 |
| 6 | 17 |
| 7 | 44 |
| 8 | 36 |
| 9 | 80 |
| 10 | 73 |
| 11 | 138 |
| 12 | 149 |
| 13 | 279 |
| 14 | 264 |
| 15 | 467 |
| 16 | 575 |
| 17 | 771 |
| 18 | 980 |
| 19 | 1570 |
| 20 | 1868 |
| 21 | 2184 |
| 22 | 3493 |
| 23 | 4288 |
| 24 | 6512 |
| 25 | 7156 |
| 26 | 11766 |
| 27 | 13609 |
| 28 | 21452 |
| 29 | 21526 |
| 30 | 38880 |
| 31 | 44374 |
| 32 | 53328 |
| 33 | 77009 |
| 34 | 90383 |
| 35 | 175886 |
| 36 | 126597 |
| 37 | 222489 |
| 38 | 323328 |
| 39 | 416581 |
| 40 | 622641 |
| 41 | 570846 |