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 | 20158709760 |
2 | 42064805779476480 |
3 | 1083930404878024704000 |
4 | 2766118855500000000000000 |
5 | 369826556020831611935738265600 |
6 | 39841906041871272087686291128320 |
7 | 2468438315722201136962330755072000 |