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) |
---|---|
1 | 1 |
2 | 16 |
3 | 144 |
4 | 44100 |
5 | 18404100 |
6 | 1835265600 |
7 | 16304474894400 |
8 | 5421097109610000 |
9 | 296757450928652313600 |
10 | 178616855049415417958400 |
11 | 1411446839588456089779360000 |
12 | 638977904981699070278114213990400 |