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 | 2 |
2 | 28 |
3 | 648 |
4 | 20944 |
5 | 869440 |
6 | 44089920 |
7 | 2641533440 |
8 | 182573036800 |
9 | 14299419214080 |
10 | 1251598943795200 |
11 | 121073405444992000 |
12 | 12826824167930572800 |
13 | 1477015178613438464000 |
14 | 183679785389526871244800 |
15 | 24533610049517447983104000 |
16 | 3502810763000490499317760000 |
17 | 532374290389646285405913088000 |