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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 5 |
| 6 | 8 |
| 7 | 19 |
| 8 | 20 |
| 9 | 48 |
| 10 | 75 |
| 11 | 160 |
| 12 | 242 |
| 13 | 505 |
| 14 | 835 |
| 15 | 1761 |
| 16 | 2799 |
| 17 | 5890 |
| 18 | 10250 |
| 19 | 20921 |
| 20 | 36872 |
| 21 | 74316 |
| 22 | 134816 |
| 23 | 267749 |
| 24 | 492286 |
| 25 | 977207 |
| 26 | 1823657 |
| 27 | 3598657 |
| 28 | 6779899 |
| 29 | 13336543 |
| 30 | 25358424 |
| 31 | 49763462 |
| 32 | 95140695 |
| 33 | 186504600 |
| 34 | 358630024 |
| 35 | 702300885 |
| 36 | 1356118149 |
| 37 | 2654709953 |
| 38 | 5142968571 |