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 | 12 |
3 | 2160 |
4 | 6048000 |
5 | 266716800000 |
6 | 186313420339200000 |
7 | 2067909047925770649600000 |
8 | 365356847125734485878112256000000 |
9 | 1028781784378569697887052962909388800000000 |
10 | 46206893947914691316295628839036278726983680000000000 |