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 | 1 |
2 | 1 |
3 | 3 |
4 | 28 |
5 | 658 |
6 | 36336 |
7 | 4918960 |
8 | 1913308480 |
9 | 2722820397008 |
10 | 16147361055588096 |
11 | 383879833447290828032 |
12 | 34790330152647391683716096 |
13 | 11818617432918372433417869737472 |