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 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 18 |
| 6 | 35 |
| 7 | 57 |
| 8 | 102 |
| 9 | 165 |
| 10 | 279 |
| 11 | 444 |
| 12 | 726 |
| 13 | 1136 |
| 14 | 1804 |
| 15 | 2785 |
| 16 | 4326 |
| 17 | 6584 |
| 18 | 10048 |
| 19 | 15100 |
| 20 | 22698 |
| 21 | 33723 |
| 22 | 50034 |
| 23 | 73557 |
| 24 | 107912 |
| 25 | 157122 |
| 26 | 228189 |
| 27 | 329341 |
| 28 | 473998 |
| 29 | 678576 |
| 30 | 968672 |
| 31 | 1376402 |
| 32 | 1950177 |
| 33 | 2751900 |
| 34 | 3872346 |
| 35 | 5429166 |
| 36 | 7591294 |
| 37 | 10579486 |
| 38 | 14705595 |
| 39 | 20379419 |
| 40 | 28172006 |
| 41 | 38836332 |
| 42 | 53410265 |
| 43 | 73264431 |
| 44 | 100271052 |