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 | 4 |
2 | 44 |
3 | 840 |
4 | 23256 |
5 | 850080 |
6 | 38750400 |
7 | 2120489280 |
8 | 135566323200 |
9 | 9922550077440 |
10 | 818544054182400 |
11 | 75160674504115200 |
12 | 7604312776752384000 |
13 | 840608992488545280000 |
14 | 100812386907863414784000 |
15 | 13037431708092153922560000 |
16 | 1808675231786149165350912000 |