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) |
---|---|
3 | 1 |
4 | 12 |
5 | 150 |
6 | 2180 |
7 | 36855 |
8 | 715008 |
9 | 15697948 |
10 | 385300800 |
11 | 10463945085 |
12 | 311697869120 |
13 | 10108450408914 |
14 | 354630018043392 |
15 | 13384651003544275 |
16 | 540860323696035840 |
17 | 23300648262667635960 |
18 | 1066165291831917811712 |