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 | 18 |
2 | 93312 |
3 | 4737042 |
4 | 51775488 |
5 | 263351250 |
6 | 807055488 |
7 | 1609827282 |
8 | 1934917632 |
9 | 774840978 |
10 | 691920000 |
11 | 20514061458 |
12 | 126428055552 |
13 | 496767242322 |
14 | 1543426109568 |
15 | 4122612551250 |
16 | 9879830396928 |
17 | 21788831695122 |
18 | 44962051370112 |
19 | 87830997546258 |
20 | 163819480320000 |