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 | 2 |
2 | 14 |
3 | 468 |
4 | 62628 |
5 | 32916240 |
6 | 68221619760 |
7 | 561512669071200 |
8 | 18431003537355665760 |
9 | 2417187863502316739842560 |
10 | 1267541812947815891035704645120 |
11 | 2658386273978048637324643356687805440 |