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 | 1 |
2 | 10 |
3 | 840 |
4 | 464100 |
5 | 1481407200 |
6 | 32851686067200 |
7 | 5186361382800998400 |
8 | 4436556151786001058816000 |
9 | 19667253420867342693731328000000 |
10 | 605862171333980479840975997239296000000 |
11 | 132207384898194165523202154782408753283072000000 |