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 | 2 |
2 | 16 |
3 | 140 |
4 | 1280 |
5 | 12012 |
6 | 114688 |
7 | 1108536 |
8 | 10813440 |
9 | 106234700 |
10 | 1049624576 |
11 | 10418726760 |
12 | 103817412608 |
13 | 1037865473400 |
14 | 10404558274560 |
15 | 104557533120240 |
16 | 1052941297385472 |
17 | 10623352887172620 |
18 | 107358720517734400 |
19 | 1086563988284497800 |
20 | 11011614449734778880 |