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 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 15 |
| 6 | 28 |
| 7 | 52 |
| 8 | 96 |
| 9 | 177 |
| 10 | 326 |
| 11 | 600 |
| 12 | 1104 |
| 13 | 2031 |
| 14 | 3736 |
| 15 | 6872 |
| 16 | 12640 |
| 17 | 23249 |
| 18 | 42762 |
| 19 | 78652 |
| 20 | 144664 |
| 21 | 266079 |
| 22 | 489396 |
| 23 | 900140 |
| 24 | 1655616 |
| 25 | 3045153 |
| 26 | 5600910 |
| 27 | 10301680 |
| 28 | 18947744 |
| 29 | 34850335 |
| 30 | 64099760 |
| 31 | 117897840 |
| 32 | 216847936 |
| 33 | 398845537 |
| 34 | 733591314 |
| 35 | 1349284788 |