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 | 0 |
2 | -1 |
3 | -2 |
4 | 0 |
5 | 250 |
6 | 5616 |
7 | -33614 |
8 | 0 |
9 | 204073344 |
10 | -900000000 |
11 | -9431790764 |
12 | 0 |
13 | 10752962364222 |
14 | -1870899108384768 |
15 | -36328974609375000 |
16 | 0 |
17 | 22899384412078526344 |
18 | -111400529859275793629184 |
19 | -43843094862278417487512 |
20 | 0 |
21 | 2870507605405055660542502550 |
22 | 67015802375208384199755038720 |