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) |
---|---|
1 | 2 |
2 | 6 |
3 | 120 |
4 | 5040 |
5 | 39916800 |
6 | 6227020800 |
7 | 355687428096000 |
8 | 121645100408832000 |
9 | 25852016738884976640000 |
10 | 8841761993739701954543616000000 |
11 | 8222838654177922817725562880000000 |
12 | 13763753091226345046315979581580902400000000 |
13 | 33452526613163807108170062053440751665152000000000 |