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 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 9 |
| 5 | 21 |
| 6 | 61 |
| 7 | 211 |
| 8 | 673 |
| 9 | 1849 |
| 10 | 4441 |
| 11 | 9571 |
| 12 | 18921 |
| 13 | 34893 |
| 14 | 60789 |
| 15 | 101011 |
| 16 | 161281 |
| 17 | 248881 |
| 18 | 372913 |
| 19 | 544579 |
| 20 | 777481 |
| 21 | 1087941 |
| 22 | 1495341 |
| 23 | 2022483 |
| 24 | 2695969 |
| 25 | 3546601 |
| 26 | 4609801 |
| 27 | 5926051 |
| 28 | 7541353 |
| 29 | 9507709 |
| 30 | 11883621 |
| 31 | 14734611 |
| 32 | 18133761 |
| 33 | 22162273 |
| 34 | 26910049 |
| 35 | 32476291 |