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 | 0 |
| 4 | 0 |
| 5 | 35 |
| 6 | 91 |
| 7 | 98 |
| 8 | 272 |
| 9 | 279 |
| 10 | 530 |
| 11 | 561 |
| 12 | 1440 |
| 13 | 1079 |
| 14 | 1904 |
| 15 | 1890 |
| 16 | 3360 |
| 17 | 3128 |
| 18 | 6066 |
| 19 | 4579 |
| 20 | 7580 |
| 21 | 6993 |
| 22 | 10648 |
| 23 | 10212 |
| 24 | 18696 |
| 25 | 13875 |
| 26 | 19968 |
| 27 | 18981 |
| 28 | 26936 |
| 29 | 25056 |
| 30 | 47130 |
| 31 | 32953 |
| 32 | 44864 |
| 33 | 41184 |
| 34 | 55386 |
| 35 | 52500 |
| 36 | 74808 |
| 37 | 63714 |
| 38 | 86564 |
| 39 | 84045 |
| 40 | 105840 |
| 41 | 102049 |
| 42 | 149982 |
| 43 | 119196 |