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) |
---|---|
12 | 12 |
13 | 319332 |
14 | 571389000 |
15 | 340433566200 |
16 | 110475588787200 |
17 | 24370164778901760 |
18 | 4123399022616706560 |
19 | 576081026260420262400 |
20 | 69763488659968731264000 |
21 | 7574128968889436413824000 |
22 | 755406265592909947874457600 |