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 | 1 |
1 | 72 |
2 | 419904 |
3 | 198359290368 |
4 | 7589970693537140736 |
5 | 23524081260686625628823519232 |
6 | 5905684770308534937017423724484399202304 |
7 | 120091666484242114100641836801136909254418910442160128 |