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 | 1 |
2 | 4 |
3 | 42 |
4 | 1168 |
5 | 84180 |
6 | 15107328 |
7 | 6495857312 |
8 | 6492989426432 |
9 | 14753072834027424 |
10 | 74941835564789489280 |
11 | 840421638561217307501632 |
12 | 20603672787268830442103493120 |
13 | 1095629510349075557617215030858112 |
14 | 125563465926494619940863277689861766144 |