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 | 6 |
2 | 5544 |
3 | 2822916096 |
4 | 1723467782592331776 |
5 | 2210440498434925488635904000000 |
6 | 9234659938893939743399592700454853672960000000 |
7 | 180150216814109052335771891722360520401032374209013927116800000000 |