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 | 4 |
2 | 240 |
3 | 49938 |
4 | 24608160 |
5 | 23465221750 |
6 | 38341895571708 |
7 | 98780305524248572 |
8 | 377796303580335320432 |
9 | 2048907276496726375662702 |
10 | 15198414983297581845761672560 |
11 | 149768511689247547252666676150490 |