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) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 16 |
| 4 | 45 |
| 5 | 96 |
| 6 | 175 |
| 7 | 288 |
| 8 | 441 |
| 9 | 640 |
| 10 | 891 |
| 11 | 1200 |
| 12 | 1573 |
| 13 | 2016 |
| 14 | 2535 |
| 15 | 3136 |
| 16 | 3825 |
| 17 | 4608 |
| 18 | 5491 |
| 19 | 6480 |
| 20 | 7581 |
| 21 | 8800 |
| 22 | 10143 |
| 23 | 11616 |
| 24 | 13225 |
| 25 | 14976 |
| 26 | 16875 |
| 27 | 18928 |
| 28 | 21141 |
| 29 | 23520 |
| 30 | 26071 |
| 31 | 28800 |
| 32 | 31713 |
| 33 | 34816 |
| 34 | 38115 |
| 35 | 41616 |
| 36 | 45325 |
| 37 | 49248 |
| 38 | 53391 |
| 39 | 57760 |
| 40 | 62361 |