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 | 6 |
2 | 420 |
3 | 72072 |
4 | 760760 |
5 | 1266697832400 |
6 | 783333734619744 |
7 | 3002950101013562700 |
8 | 1253414030788528596187200 |
9 | 27809824888100301666382826331840 |
10 | 118802724769051077369996224554510800 |
11 | 2005396188718644499811084404372455793370133120 |