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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 6 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 6 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 6 |
| 20 | 0 |
| 21 | 18 |
| 22 | 0 |
| 23 | 24 |
| 24 | 0 |
| 25 | 48 |
| 26 | 42 |
| 27 | 18 |
| 28 | 12 |
| 29 | 48 |
| 30 | 78 |
| 31 | 36 |
| 32 | 66 |
| 33 | 108 |
| 34 | 102 |
| 35 | 240 |
| 36 | 222 |
| 37 | 360 |
| 38 | 330 |
| 39 | 696 |
| 40 | 690 |
| 41 | 858 |
| 42 | 1086 |
| 43 | 1692 |
| 44 | 1920 |
| 45 | 2604 |
| 46 | 3156 |
| 47 | 4284 |
| 48 | 5370 |
| 49 | 7308 |
| 50 | 9270 |
| 51 | 12036 |
| 52 | 15756 |
| 53 | 20688 |
| 54 | 26562 |
| 55 | 34500 |
| 56 | 44274 |
| 57 | 59058 |
| 58 | 75576 |