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 | 0 |
2 | 2 |
3 | 3 |
4 | 80 |
5 | 510 |
6 | 12084 |
7 | 164640 |
8 | 4272736 |
9 | 91935648 |
10 | 2769703920 |
11 | 80692896240 |
12 | 2849745645504 |
13 | 103479044628960 |
14 | 4250475820200960 |
15 | 183436357950387360 |
16 | 8649275730513361920 |
17 | 430735131434242736640 |
18 | 22999938416454315239424 |
19 | 1295673669960473064844800 |