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) |
---|---|
2 | 0 |
3 | 0 |
4 | -72 |
5 | 0 |
6 | 9600 |
7 | 0 |
8 | 23970816 |
9 | 0 |
10 | 0 |
11 | -8814759178752000000 |
12 | -1217765613534782800527360 |
13 | 0 |
14 | 2555625991208076641833058304 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | 164525463228624478317575381527120287356682240 |
19 | -33094833021317386202938131485140597289779200 |
20 | 0 |