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) |
---|---|
1 | 1 |
2 | 4 |
3 | 192 |
4 | 100352 |
5 | 557568000 |
6 | 32565539635200 |
7 | 19872369301840986112 |
8 | 126231322912498539682594816 |
9 | 8326627661691818545121844900397056 |
10 | 5694319004079097795957215725765328371712000 |
11 | 40325021721404118513276859513497679249183623593590784 |
12 | 2954540993952788006228764987084443226815814190099484786032640000 |