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 | 252 |
4 | 2604732 |
5 | 5192229797500 |
6 | 3708511647508346445685 |
7 | 1461034020983306348666869275743970 |
8 | 450538781472323736156501178553451135548626208528 |
9 | 146413934881756079673947032145931312279368061228255235014292945848 |