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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 11 |
| 5 | 20 |
| 6 | 38 |
| 7 | 69 |
| 8 | 125 |
| 9 | 223 |
| 10 | 395 |
| 11 | 694 |
| 12 | 1212 |
| 13 | 2105 |
| 14 | 3639 |
| 15 | 6265 |
| 16 | 10747 |
| 17 | 18376 |
| 18 | 31330 |
| 19 | 53277 |
| 20 | 90385 |
| 21 | 153011 |
| 22 | 258523 |
| 23 | 436010 |
| 24 | 734136 |
| 25 | 1234225 |
| 26 | 2072043 |
| 27 | 3474029 |
| 28 | 5817515 |
| 29 | 9730748 |
| 30 | 16258910 |
| 31 | 27139509 |
| 32 | 45258917 |
| 33 | 75408775 |
| 34 | 125538539 |