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 | 28 |
2 | 3900 |
3 | 685216 |
4 | 133501500 |
5 | 27583083528 |
6 | 5919115212192 |
7 | 1304298034300800 |
8 | 293086491979934268 |
9 | 66857471357130883000 |
10 | 15434267149448839091400 |
11 | 3597756971630997935635200 |
12 | 845406187463509505329860000 |
13 | 200002748013094535687584437696 |