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 | 2 |
| 3 | 0 |
| 4 | 3 |
| 5 | 1 |
| 6 | 0 |
| 7 | 4 |
| 8 | 3 |
| 9 | 2 |
| 10 | 0 |
| 11 | 5 |
| 12 | 6 |
| 13 | 8 |
| 14 | 3 |
| 15 | 0 |
| 16 | 6 |
| 17 | 10 |
| 18 | 20 |
| 19 | 18 |
| 20 | 6 |
| 21 | 0 |
| 22 | 7 |
| 23 | 15 |
| 24 | 40 |
| 25 | 60 |
| 26 | 48 |
| 27 | 9 |
| 28 | 0 |
| 29 | 8 |
| 30 | 21 |
| 31 | 30 |
| 32 | 150 |
| 33 | 204 |
| 34 | 116 |
| 35 | 18 |
| 36 | 0 |
| 37 | 9 |
| 38 | 28 |
| 39 | 27 |
| 40 | 195 |
| 41 | 476 |
| 42 | 670 |
| 43 | 312 |
| 44 | 30 |
| 45 | 0 |