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 | 18 |
4 | 112 |
5 | 732 |
6 | 6156 |
7 | 53720 |
8 | 559584 |
9 | 6138216 |
10 | 76636080 |
11 | 1006039320 |
12 | 14693223032 |
13 | 224774090592 |
14 | 3756082129296 |
15 | 65650522695344 |
16 | 1236568354232176 |
17 | 24299076684879264 |
18 | 509677108276779168 |
19 | 11124779898457678240 |
20 | 257204596479739401760 |
21 | 6174928911548312072704 |