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 | 0 |
1 | 1 |
2 | 2 |
3 | 66 |
4 | 172 |
5 | 4310 |
6 | 12732 |
7 | 280084 |
8 | 894872 |
9 | 18149094 |
10 | 61304940 |
11 | 1173803004 |
12 | 4136934888 |
13 | 75812881404 |
14 | 276427353048 |
15 | 4891514031720 |
16 | 18343552465968 |
17 | 315349842088326 |
18 | 1211087339244108 |
19 | 20316955153568876 |
20 | 79648216569893320 |
21 | 1308249951485397396 |