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 | 6 |
1 | 30240 |
2 | 1207084032000 |
3 | 1578472848668491776000000 |
4 | 192013488168893760607534429765632000000000 |
5 | 4963935910233933921764132479991824059486720994836480000000000000 |