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 | 0 |
1 | 2 |
2 | 780 |
3 | 3442680 |
4 | 94792125120 |
5 | 11199115535025600 |
6 | 4424488981755473751120 |
7 | 4897251346805306604631152000 |
8 | 13309618365562299179087873337753600 |
9 | 80202481690565843837334237727510974259200 |
10 | 987936620325246799505617855507952109963809976000 |