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 | 66 |
3 | 85200 |
4 | 183250434809856 |
5 | 1823313150135576711941779566275453880631296 |
6 | 1796015231442383417566549899388909415521140128662444489798112174969514654167314109511319978572879992886003172220405085684891648 |