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 | 80 |
| 3 | 1215 |
| 4 | 8704 |
| 5 | 40625 |
| 6 | 143856 |
| 7 | 420175 |
| 8 | 1064960 |
| 9 | 2421009 |
| 10 | 5050000 |
| 11 | 9824111 |
| 12 | 18040320 |
| 13 | 31559905 |
| 14 | 52975664 |
| 15 | 85809375 |
| 16 | 134742016 |
| 17 | 205879265 |
| 18 | 307054800 |
| 19 | 448173919 |
| 20 | 641600000 |
| 21 | 902586321 |
| 22 | 1249755760 |
| 23 | 1705630895 |
| 24 | 2297217024 |