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 | 6 |
3 | 44 |
4 | 2209 |
5 | 674384 |
6 | 954623404 |
7 | 5744406453840 |
8 | 144115192471496836 |
9 | 14925010120653819583840 |
10 | 6338253001142965335834871200 |
11 | 10985355337065423791175013899922368 |
12 | 77433143050453552587418968170813573149024 |