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 | 5040 |
1 | -4137840 |
2 | 99515142720 |
3 | -1122871063189680 |
4 | 9688118420572305840 |
5 | -150299359081533202947840 |
6 | 1405831144255746621131643120 |
7 | -18442639987146150894175704882480 |
8 | 203561673763315319923663885655833920 |