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 | 144 |
| 1 | 248832 |
| 2 | 429981696 |
| 3 | 743008370688 |
| 4 | 1283918464548864 |
| 5 | 2218611106740436992 |
| 6 | 3833759992447475122176 |
| 7 | 6624737266949237011120128 |
| 8 | 11447545997288281555215581184 |