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 | 0 |
3 | 6 |
4 | 12 |
5 | 20 |
6 | 750 |
7 | 7602 |
8 | 47096 |
9 | 589752 |
10 | 11823930 |
11 | 169812830 |
12 | 2287327812 |
13 | 46793930196 |
14 | 1061518458182 |
15 | 21163158296490 |
16 | 458344052450160 |
17 | 12165772611938672 |
18 | 329982890581149426 |
19 | 8764089834124752822 |
20 | 255655700917556204540 |
21 | 8220667673623130347020 |