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 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 8 |
| 9 | 12 |
| 10 | 16 |
| 11 | 32 |
| 12 | 44 |
| 13 | 84 |
| 14 | 105 |
| 15 | 231 |
| 16 | 292 |
| 17 | 636 |
| 18 | 768 |
| 19 | 1792 |
| 20 | 2166 |
| 21 | 5080 |
| 22 | 6012 |
| 23 | 14592 |
| 24 | 17234 |
| 25 | 42198 |
| 26 | 49336 |
| 27 | 123088 |
| 28 | 143536 |
| 29 | 361190 |
| 30 | 418971 |
| 31 | 1066497 |
| 32 | 1234242 |
| 33 | 3164870 |
| 34 | 3651296 |
| 35 | 9436968 |
| 36 | 10866726 |
| 37 | 28255468 |
| 38 | 32469716 |
| 39 | 84925632 |
| 40 | 97443786 |
| 41 | 256131058 |