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 | 0 |
3 | 0 |
4 | 12 |
5 | 252 |
6 | 12312 |
7 | 1061304 |
8 | 170176656 |
9 | 51134075424 |
10 | 29204599254624 |
11 | 32130964585236096 |
12 | 68873851786953047040 |
13 | 290164895151435531345024 |
14 | 2417786648013402212500060416 |
15 | 40014055814155246577685250570752 |
16 | 1318911434129029730677931158374449664 |