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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 8 |
| 6 | 12 |
| 7 | 18 |
| 8 | 37 |
| 9 | 68 |
| 10 | 89 |
| 11 | 184 |
| 12 | 338 |
| 13 | 548 |
| 14 | 1029 |
| 15 | 2141 |
| 16 | 3914 |
| 17 | 7121 |
| 18 | 11830 |
| 19 | 22923 |
| 20 | 38692 |
| 21 | 75029 |
| 22 | 124846 |
| 23 | 223140 |
| 24 | 419105 |
| 25 | 807096 |
| 26 | 1385673 |
| 27 | 2636205 |
| 28 | 4649883 |
| 29 | 8759535 |
| 30 | 16901645 |
| 31 | 29744020 |
| 32 | 56292997 |
| 33 | 105932907 |