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 | 3 |
1 | 10 |
2 | 112 |
3 | 1620 |
4 | 39424 |
5 | 1404000 |
6 | 75841920 |
7 | 6112753920 |
8 | 742328893440 |
9 | 136268470800000 |
10 | 38081363493888000 |
11 | 16296693648238080000 |
12 | 10743612584546575319040 |
13 | 10968661020433308192000000 |
14 | 17425075496868344523423744000 |
15 | 43253347261338355732569538560000 |