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 | 6 |
2 | 144 |
3 | 23400 |
4 | 26620002 |
5 | 216778910040 |
6 | 13069351570163616 |
7 | 6019308484501930839936 |
8 | 21708290476794620365667887680 |
9 | 624502420526473667139055032092300382 |