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 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 3 |
7 | 21 |
8 | 610 |
9 | 514229 |
10 | 225851433717 |
11 | 16641027750620563662096 |
12 | 13180872826374098837632191485015125807374171 |
13 | 284812298108489611757988937681460995615380088782304890986477195645969271404032323901 |