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) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 8 |
| 6 | 15 |
| 7 | 23 |
| 8 | 44 |
| 9 | 64 |
| 10 | 117 |
| 11 | 173 |
| 12 | 262 |
| 13 | 374 |
| 14 | 571 |
| 15 | 791 |
| 16 | 1188 |
| 17 | 1644 |
| 18 | 2355 |
| 19 | 3205 |
| 20 | 4552 |
| 21 | 5980 |
| 22 | 8283 |
| 23 | 10925 |
| 24 | 14702 |
| 25 | 19338 |
| 26 | 26031 |
| 27 | 33581 |
| 28 | 44690 |
| 29 | 57566 |
| 30 | 75531 |
| 31 | 96531 |
| 32 | 125738 |
| 33 | 158690 |
| 34 | 204953 |
| 35 | 258325 |
| 36 | 329394 |
| 37 | 412054 |
| 38 | 523931 |
| 39 | 649973 |
| 40 | 822434 |
| 41 | 1018332 |
| 42 | 1274909 |