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 | -2 |
2 | -48 |
3 | 880 |
4 | 59136 |
5 | -4558336 |
6 | -358510592 |
7 | 87349164032 |
8 | 5261729398784 |
9 | -4294386293800960 |
10 | -9972473469599744 |
11 | 442881767885962739712 |
12 | -50940651947982996897792 |
13 | -83250857495799899292172288 |