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 | 0 |
1 | 1 |
2 | 0 |
3 | 4 |
4 | 6 |
5 | 144 |
6 | 860 |
7 | 30656 |
8 | 497168 |
9 | 33543808 |
10 | 1300171872 |
11 | 178516634624 |
12 | 15640422963968 |
13 | 4483114311886336 |
14 | 862178272953520640 |
15 | 520264199498699214848 |
16 | 215806526739662643193856 |
17 | 274505260166616222726586368 |