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 | 2 |
3 | 10 |
4 | 180 |
5 | 16076 |
6 | 19902600 |
7 | 134324703472 |
8 | 6229088692170120 |
9 | 3043225095505808401540 |
10 | 82539616591562766578923554000 |
11 | 20307821456335470464284341150217960760 |
12 | 48436056178178689690954566323758042309244664480 |