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 | 1048576 |
| 3 | 3486784401 |
| 4 | 1099511627776 |
| 5 | 95367431640625 |
| 6 | 3656158440062976 |
| 7 | 79792266297612001 |
| 8 | 1152921504606846976 |
| 9 | 12157665459056928801 |
| 10 | 100000000000000000000 |
| 11 | 672749994932560009201 |
| 12 | 3833759992447475122176 |