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 | 5 |
2 | 120 |
3 | 7770 |
4 | 1088430 |
5 | 286243776 |
6 | 127860662755 |
7 | 90079147136880 |
8 | 94572327271677750 |
9 | 141504997346476482290 |
10 | 291098519807782284023426 |
11 | 799388312264077003441393875 |
12 | 2859142263297618955891805452700 |