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 | 5040 |
1 | 464642640 |
2 | 9271613897280 |
3 | 126088436280779280 |
4 | 1500148651789039497840 |
5 | 16877281623734016459152640 |
6 | 186571560637066991905251295920 |
7 | 2070944486059672103635752020488080 |