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) |
---|---|
1 | 15 |
2 | 105 |
3 | 1120 |
4 | 12600 |
5 | 151872 |
6 | 1897840 |
7 | 24408480 |
8 | 320355000 |
9 | 4271484000 |
10 | 57664963104 |
11 | 786341441760 |
12 | 10812193870800 |
13 | 149707312950720 |
14 | 2085208989609360 |
15 | 29192926025339776 |
16 | 410525522071875000 |
17 | 5795654431511374080 |
18 | 82105104444274758000 |
19 | 1166756747396368729440 |
20 | 16626283650369421872480 |