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 | -3 |
3 | -7 |
4 | -95 |
5 | 699 |
6 | -1739 |
7 | 106973 |
8 | 236097 |
9 | 5525495 |
10 | 157003021 |
11 | -1778692191 |
12 | -15439204703 |
13 | -1112216292877 |
14 | -2594716702395 |
15 | -466679409407611 |
16 | -2408062589228159 |
17 | -51920010551722257 |
18 | 965605721357034397 |
19 | 88877767053922329545 |
20 | 2657651357187708962721 |
21 | 161866621274268475146539 |