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 | 0 |
| 1 | 1 |
| 2 | 28 |
| 3 | 225 |
| 4 | 976 |
| 5 | 3025 |
| 6 | 7596 |
| 7 | 16513 |
| 8 | 32320 |
| 9 | 58401 |
| 10 | 99100 |
| 11 | 159841 |
| 12 | 247248 |
| 13 | 369265 |
| 14 | 535276 |
| 15 | 756225 |
| 16 | 1044736 |
| 17 | 1415233 |
| 18 | 1884060 |
| 19 | 2469601 |
| 20 | 3192400 |
| 21 | 4075281 |
| 22 | 5143468 |
| 23 | 6424705 |
| 24 | 7949376 |
| 25 | 9750625 |
| 26 | 11864476 |
| 27 | 14329953 |
| 28 | 17189200 |
| 29 | 20487601 |
| 30 | 24273900 |
| 31 | 28600321 |
| 32 | 33522688 |
| 33 | 39100545 |
| 34 | 45397276 |