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 | 3 |
| 4 | 7 |
| 5 | 15 |
| 6 | 29 |
| 7 | 59 |
| 8 | 95 |
| 9 | 159 |
| 10 | 269 |
| 11 | 539 |
| 12 | 791 |
| 13 | 1583 |
| 14 | 2591 |
| 15 | 4031 |
| 16 | 5375 |
| 17 | 10751 |
| 18 | 14687 |
| 19 | 29375 |
| 20 | 41039 |
| 21 | 60799 |
| 22 | 95999 |
| 23 | 191999 |
| 24 | 242879 |
| 25 | 340031 |
| 26 | 532223 |
| 27 | 677375 |
| 28 | 917279 |
| 29 | 1834559 |
| 30 | 2332799 |
| 31 | 4665599 |
| 32 | 5529599 |
| 33 | 7864319 |
| 34 | 12165119 |
| 35 | 16422911 |