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 | 2 |
| 1 | 4 |
| 2 | 8 |
| 3 | 21 |
| 4 | 42 |
| 5 | 65 |
| 6 | 80 |
| 7 | 217 |
| 8 | 488 |
| 9 | 721 |
| 10 | 2120 |
| 11 | 2349 |
| 12 | 2796 |
| 13 | 9214 |
| 14 | 16043 |
| 15 | 23287 |
| 16 | 28626 |
| 17 | 43588 |
| 18 | 58176 |
| 19 | 116982 |
| 20 | 213435 |
| 21 | 444329 |
| 22 | 640673 |
| 23 | 967248 |
| 24 | 1399895 |
| 25 | 1449156 |
| 26 | 1528785 |
| 27 | 2768054 |
| 28 | 2915135 |
| 29 | 3631071 |
| 30 | 3673118 |
| 31 | 5032731 |
| 32 | 12977420 |