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) |
---|---|
9 | 1 |
10 | -348678440 |
11 | 136773736379522605 |
12 | -52916360230556551635386480 |
13 | 20504007291105533368839949866598015 |
14 | -7943538006665671364765186721016327317109448 |
15 | 3077495169782617972230910362141435994555138110002155 |