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 | 64 |
| 2 | 15872 |
| 3 | 9493504 |
| 4 | 10562158592 |
| 5 | 18878667833344 |
| 6 | 49488442978598912 |
| 7 | 178867627497727197184 |
| 8 | 852509723495811705208832 |
| 9 | 5180564635674867885905281024 |
| 10 | 39094622102339738427522497380352 |
| 11 | 358686739310560735577543742129700864 |
| 12 | 3931974790759726002374736527410407145472 |