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 | 47 |
4 | 660 |
5 | 12414 |
6 | 293552 |
7 | 8374806 |
8 | 280064600 |
9 | 10747277832 |
10 | 465597887592 |
11 | 22479948822792 |
12 | 1197060450322800 |
13 | 69699159437088960 |
14 | 4405397142701855232 |
15 | 300408348609092268144 |
16 | 21983809533066553697280 |