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 | 1 |
2 | 2 |
3 | 12 |
4 | 120 |
5 | 1320 |
6 | 16200 |
7 | 234360 |
8 | 3991680 |
9 | 77535360 |
10 | 1678924800 |
11 | 40142995200 |
12 | 1053264643200 |
13 | 30109980700800 |
14 | 931249403884800 |
15 | 30979797430982400 |
16 | 1103292884684390400 |
17 | 41889177988142284800 |
18 | 1689202127352118579200 |
19 | 72105273328152166502400 |