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 | 6 |
3 | 40 |
4 | 330 |
5 | 3048 |
6 | 30156 |
7 | 312528 |
8 | 3349170 |
9 | 36809960 |
10 | 412651668 |
11 | 4700098416 |
12 | 54237852708 |
13 | 632762593680 |
14 | 7450815536280 |
15 | 88435205367456 |
16 | 1056940049423682 |
17 | 12708927083800296 |
18 | 153636691533864900 |
19 | 1866178021496170800 |