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 | 6227020800 |
3 | 6402373705728000 |
4 | 620448401733239439360000 |
5 | 60415263063373835637355132068513997507264512000000000 |
6 | 608281864034267560872252163321295376887552831379210240000000000 |