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 | 0 |
1 | 1 |
2 | 129 |
3 | 30251 |
4 | 11129080 |
5 | 5985956824 |
6 | 4501140404544 |
7 | 4577449694922432 |
8 | 6130634638657941504 |
9 | 10576998168036159614976 |
10 | 23068077837238986190848000 |
11 | 62571876653848665596203008000 |
12 | 208106990164246904792046895104000 |