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 | 1 |
2 | 12 |
3 | 144 |
4 | 2400 |
5 | 44100 |
6 | 1016064 |
7 | 25401600 |
8 | 752716800 |
9 | 23851713600 |
10 | 865728864000 |
11 | 33243988377600 |
12 | 1429216756531200 |
13 | 64493406138470400 |
14 | 3205589417533440000 |
15 | 166232708366376960000 |
16 | 9379957624086763929600 |
17 | 549606892036333824000000 |
18 | 34710813126114757632000000 |