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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 6 |
| 5 | 11 |
| 6 | 27 |
| 7 | 50 |
| 8 | 115 |
| 9 | 216 |
| 10 | 481 |
| 11 | 913 |
| 12 | 1992 |
| 13 | 3809 |
| 14 | 8192 |
| 15 | 15748 |
| 16 | 33512 |
| 17 | 64685 |
| 18 | 136546 |
| 19 | 264422 |
| 20 | 554686 |
| 21 | 1077055 |
| 22 | 2248105 |
| 23 | 4375221 |
| 24 | 9095238 |
| 25 | 17735812 |
| 26 | 36745504 |
| 27 | 71776633 |
| 28 | 148288346 |
| 29 | 290092160 |
| 30 | 597876033 |
| 31 | 1171153370 |
| 32 | 2408702852 |
| 33 | 4723840544 |
| 34 | 9697826974 |
| 35 | 19038878297 |