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 | 4 |
3 | 24 |
4 | 112 |
5 | 688 |
6 | 4032 |
7 | 25856 |
8 | 165888 |
9 | 1103616 |
10 | 7412480 |
11 | 50699776 |
12 | 350087168 |
13 | 2444208128 |
14 | 17198686208 |
15 | 121945948160 |
16 | 870026493952 |
17 | 6242802761728 |
18 | 45016506564608 |
19 | 326071359897600 |
20 | 2371312632397824 |
21 | 17307835567636480 |
22 | 126743329792327680 |