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) |
---|---|
10 | 10 |
11 | 56210 |
12 | 37621320 |
13 | 10493357160 |
14 | 1803842280240 |
15 | 228599313742800 |
16 | 23567044281580800 |
17 | 2099312576058297600 |
18 | 168119161594140556800 |
19 | 12440787291129176179200 |
20 | 867641306901247726848000 |