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 | 0 |
2 | 2 |
3 | 6 |
4 | 106 |
5 | 1060 |
6 | 21728 |
7 | 396648 |
8 | 10174764 |
9 | 267855264 |
10 | 8517836832 |
11 | 289596897480 |
12 | 11137252365600 |
13 | 461124747706896 |
14 | 20922578332613904 |
15 | 1018268757357253920 |
16 | 53372000211252229392 |
17 | 2981808910524462942720 |
18 | 177468245487057424475136 |