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 | 5 |
2 | 45 |
3 | 570 |
4 | 9270 |
5 | 183840 |
6 | 4299360 |
7 | 115795920 |
8 | 3528915840 |
9 | 120032889840 |
10 | 4507313333040 |
11 | 185185602462240 |
12 | 8262852630732000 |
13 | 397873645339668480 |
14 | 20563762111640910720 |
15 | 1135441077379757372160 |
16 | 66703342626913255770240 |
17 | 4154100873615633462894720 |