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 | 45 |
3 | 840 |
4 | 23040 |
5 | 823680 |
6 | 29729700 |
7 | 1319205888 |
8 | 60949324800 |
9 | 3307060721664 |
10 | 207247208103936 |
11 | 13289727219664896 |
12 | 959973192342388224 |
13 | 77222763982780416000 |
14 | 6318019834620558704640 |
15 | 568402264910884213555200 |
16 | 52282854778694683852800000 |