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 | 1 |
2 | -2 |
3 | 16 |
4 | -416 |
5 | 47104 |
6 | -31623680 |
7 | 151868796928 |
8 | -5929687248674816 |
9 | 2103645975156790263808 |
10 | -7506342628191723555983065088 |
11 | 295743482602620866090259230372134912 |
12 | -140189608695401234244797733914829257462251520 |
13 | 865523452956329002149153403380412177220307414830546944 |