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 | 3 |
| 3 | 2 |
| 4 | 7 |
| 5 | 5 |
| 6 | 13 |
| 7 | 8 |
| 8 | 29 |
| 9 | 21 |
| 10 | 55 |
| 11 | 34 |
| 12 | 115 |
| 13 | 81 |
| 14 | 209 |
| 15 | 128 |
| 16 | 465 |
| 17 | 337 |
| 18 | 883 |
| 19 | 546 |
| 20 | 1847 |
| 21 | 1301 |
| 22 | 3357 |
| 23 | 2056 |
| 24 | 7437 |
| 25 | 5381 |
| 26 | 14087 |
| 27 | 8706 |
| 28 | 29443 |
| 29 | 20737 |
| 30 | 53505 |
| 31 | 32768 |
| 32 | 119041 |
| 33 | 86273 |
| 34 | 226051 |
| 35 | 139778 |
| 36 | 472839 |
| 37 | 333061 |
| 38 | 859405 |
| 39 | 526344 |
| 40 | 1903901 |
| 41 | 1377557 |
| 42 | 3606327 |