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 | 0 |
2 | 0 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 1800 |
7 | 20160 |
8 | 221760 |
9 | 3507840 |
10 | 59875200 |
11 | 1037836800 |
12 | 20776694400 |
13 | 459761702400 |
14 | 10686605529600 |
15 | 268901439206400 |
16 | 7318617546240000 |
17 | 210804082384896000 |
18 | 6440850193262284800 |
19 | 209115023566972723200 |
20 | 7157303732396353536000 |
21 | 257535328655939862528000 |