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 | -480 |
2 | 106560 |
3 | -24577920 |
4 | 5671616640 |
5 | -1308807662400 |
6 | 302026457514240 |
7 | -69697011105795840 |
8 | 16083602074756972800 |
9 | -3711525811469352966240 |
10 | 856488725919603559612800 |
11 | -197647268236827050188805760 |
12 | 45609990487075191657212674560 |