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 | 1 |
2 | 9 |
3 | 648 |
4 | 360000 |
5 | 1518750000 |
6 | 48243443062500 |
7 | 11480517255997440000 |
8 | 20400479323264014247526400 |
9 | 270090559531318533654528000000000 |
10 | 26599911685677709861296622500000000000000 |
11 | 19464564507161243794359748945629699456000000000000 |