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 | 0 |
2 | 1 |
3 | 4 |
4 | 32 |
5 | 312 |
6 | 3888 |
7 | 58824 |
8 | 1048576 |
9 | 21523360 |
10 | 500000000 |
11 | 12968712300 |
12 | 371504185344 |
13 | 11649042561240 |
14 | 396857386627072 |
15 | 14596463012695312 |
16 | 576460752303423488 |
17 | 24330595937833434240 |
18 | 1092955779869348265984 |