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 | 9 |
2 | 72 |
3 | 504 |
4 | 3024 |
5 | 15120 |
6 | 60480 |
7 | 181440 |
8 | 362880 |
9 | 362880 |
10 | 32659200 |
11 | 2906668800 |
12 | 255786854400 |
13 | 22253456332800 |
14 | 1913797244620800 |
15 | 162672765792768000 |
16 | 13664512326592512000 |
17 | 1134154523107178496000 |
18 | 93000670894788636672000 |
19 | 7533054342477879570432000 |