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 | 6 |
4 | 50 |
5 | 510 |
6 | 5882 |
7 | 88326 |
8 | 1502258 |
9 | 29368590 |
10 | 650366762 |
11 | 15974149686 |
12 | 433095937826 |
13 | 12829712583870 |
14 | 412295632858202 |
15 | 14292175302568806 |
16 | 531485147656990994 |
17 | 21107739762958541550 |
18 | 891673745283286886282 |
19 | 39923664347178352362006 |