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 | 5 |
3 | 32 |
4 | 228 |
5 | 1726 |
6 | 13587 |
7 | 109923 |
8 | 907499 |
9 | 7609898 |
10 | 64609346 |
11 | 554108863 |
12 | 4792190298 |
13 | 41739160686 |
14 | 365746143064 |
15 | 3221723465187 |
16 | 28509044813580 |
17 | 253295607463902 |
18 | 2258539046009268 |
19 | 20203103111671575 |
20 | 181242298665210280 |