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 | 0 |
1 | 2 |
2 | 18 |
3 | 279 |
4 | 6960 |
5 | 252300 |
6 | 12443760 |
7 | 800168040 |
8 | 65028257280 |
9 | 6518255405760 |
10 | 790091384544000 |
11 | 113924591159702400 |
12 | 19273172758289049600 |
13 | 3780639334294658035200 |
14 | 851206099134433961318400 |
15 | 218026562222345234117760000 |
16 | 63037891684425054948655104000 |