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 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 2 |
| 5 | 4 |
| 6 | 9 |
| 7 | 11 |
| 8 | 11 |
| 9 | 29 |
| 10 | 53 |
| 11 | 82 |
| 12 | 129 |
| 13 | 215 |
| 14 | 389 |
| 15 | 726 |
| 16 | 1237 |
| 17 | 2079 |
| 18 | 3660 |
| 19 | 6386 |
| 20 | 11127 |
| 21 | 19719 |
| 22 | 34658 |
| 23 | 60358 |
| 24 | 105776 |
| 25 | 185641 |
| 26 | 324822 |
| 27 | 569565 |
| 28 | 999824 |
| 29 | 1753763 |
| 30 | 3075263 |
| 31 | 5390839 |
| 32 | 9452903 |
| 33 | 16579307 |
| 34 | 29065205 |
| 35 | 50947822 |
| 36 | 89330076 |
| 37 | 156628094 |
| 38 | 274559046 |
| 39 | 481250343 |