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) |
|---|---|
| 3 | 1 |
| 4 | 0 |
| 5 | 8 |
| 6 | 0 |
| 7 | 6 |
| 8 | 25 |
| 9 | 0 |
| 10 | 1 |
| 11 | 44 |
| 12 | 50 |
| 13 | 0 |
| 14 | 0 |
| 15 | 32 |
| 16 | 154 |
| 17 | 83 |
| 18 | 0 |
| 19 | 0 |
| 20 | 9 |
| 21 | 212 |
| 22 | 376 |
| 23 | 124 |
| 24 | 0 |
| 25 | 0 |
| 26 | 1 |
| 27 | 158 |
| 28 | 784 |
| 29 | 750 |
| 30 | 173 |
| 31 | 0 |
| 32 | 0 |
| 33 | 0 |
| 34 | 62 |
| 35 | 987 |
| 36 | 2133 |
| 37 | 1316 |
| 38 | 230 |
| 39 | 0 |
| 40 | 0 |
| 41 | 0 |
| 42 | 12 |
| 43 | 778 |
| 44 | 3802 |
| 45 | 4803 |
| 46 | 2114 |
| 47 | 295 |
| 48 | 0 |
| 49 | 0 |
| 50 | 0 |
| 51 | 1 |
| 52 | 370 |
| 53 | 4622 |
| 54 | 11127 |
| 55 | 9490 |
| 56 | 3184 |
| 57 | 368 |