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 | 8 |
3 | 61 |
4 | 480 |
5 | 3881 |
6 | 31976 |
7 | 266981 |
8 | 2251136 |
9 | 19124881 |
10 | 163452168 |
11 | 1403748941 |
12 | 12104113632 |
13 | 104723793721 |
14 | 908680775528 |
15 | 7904234296181 |
16 | 68905275700736 |
17 | 601832985410081 |
18 | 5265459181363976 |
19 | 46137526574521181 |
20 | 404821208100919520 |
21 | 3556361565584509001 |