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 | 11 |
4 | 40 |
5 | 361 |
6 | 1952 |
7 | 24611 |
8 | 177280 |
9 | 2873041 |
10 | 25866752 |
11 | 512343611 |
12 | 5535262720 |
13 | 129570724921 |
14 | 1633165156352 |
15 | 44110959165011 |
16 | 635421069967360 |
17 | 19450718635716001 |
18 | 315212388819402752 |
19 | 10784052561125704811 |