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 | 9 |
| 5 | 0 |
| 6 | 16 |
| 7 | 24 |
| 8 | 45 |
| 9 | 56 |
| 10 | 48 |
| 11 | 80 |
| 12 | 137 |
| 13 | 96 |
| 14 | 144 |
| 15 | 128 |
| 16 | 315 |
| 17 | 192 |
| 18 | 302 |
| 19 | 288 |
| 20 | 425 |
| 21 | 312 |
| 22 | 400 |
| 23 | 440 |
| 24 | 621 |
| 25 | 544 |
| 26 | 528 |
| 27 | 728 |
| 28 | 969 |
| 29 | 672 |
| 30 | 704 |
| 31 | 840 |
| 32 | 1451 |
| 33 | 880 |
| 34 | 960 |
| 35 | 984 |
| 36 | 2021 |
| 37 | 1152 |
| 38 | 1296 |
| 39 | 1248 |
| 40 | 1901 |
| 41 | 1440 |
| 42 | 1504 |
| 43 | 1680 |
| 44 | 2569 |
| 45 | 2024 |
| 46 | 1936 |
| 47 | 2024 |
| 48 | 3387 |
| 49 | 2400 |
| 50 | 2524 |
| 51 | 2240 |
| 52 | 3561 |