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 | 3 |
2 | 0 |
3 | 0 |
4 | 27 |
5 | -162 |
6 | 729 |
7 | -2916 |
8 | 10206 |
9 | -28431 |
10 | 39366 |
11 | 216513 |
12 | -2506302 |
13 | 16395939 |
14 | -87687765 |
15 | 419838390 |
16 | -1879883964 |
17 | 8098629399 |
18 | -33997343652 |
19 | 136405492911 |
20 | -478000355922 |
21 | 987247848321 |
22 | 4754553381171 |
23 | -85842565710012 |
24 | 782970953914944 |
25 | -5641921802462517 |
26 | 34830591205459716 |