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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 9 |
| 6 | 1 |
| 7 | 36 |
| 8 | 28 |
| 9 | 73 |
| 10 | 28 |
| 11 | 225 |
| 12 | 126 |
| 13 | 441 |
| 14 | 153 |
| 15 | 416 |
| 16 | 496 |
| 17 | 1296 |
| 18 | 469 |
| 19 | 2025 |
| 20 | 1100 |
| 21 | 1710 |
| 22 | 1225 |
| 23 | 4356 |
| 24 | 1800 |
| 25 | 4959 |
| 26 | 2556 |
| 27 | 5581 |
| 28 | 4410 |
| 29 | 11025 |
| 30 | 3872 |
| 31 | 14400 |
| 32 | 8128 |
| 33 | 11090 |
| 34 | 8128 |
| 35 | 15822 |
| 36 | 8910 |
| 37 | 29241 |
| 38 | 13041 |
| 39 | 21996 |
| 40 | 16400 |
| 41 | 44100 |
| 42 | 15426 |
| 43 | 53361 |
| 44 | 27830 |
| 45 | 33716 |
| 46 | 29161 |
| 47 | 76176 |
| 48 | 27936 |
| 49 | 77652 |
| 50 | 37828 |