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) |
---|---|
1 | 6 |
2 | 60 |
3 | 2520 |
4 | 1663200 |
5 | 3113510400 |
6 | 14820309504000 |
7 | 60822550204416000 |
8 | 1077167364120207360000 |
9 | 12280224991305141603532800000 |
10 | 4111419327088961408862781440000000 |
11 | 19116323737814368119883304974417920000000 |
12 | 1393855275548491962840419252226697986048000000000 |
13 | 30207631531686917818677566034256998753632256000000000 |