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) |
---|---|
5 | 5 |
6 | 210 |
7 | 5250 |
8 | 109200 |
9 | 2116800 |
10 | 40219200 |
11 | 768398400 |
12 | 14968800000 |
13 | 299675376000 |
14 | 6193291104000 |
15 | 132456516192000 |
16 | 2935293064704000 |
17 | 67432408243200000 |
18 | 1605928737853440000 |
19 | 39636028549877760000 |
20 | 1013303686405570560000 |
21 | 26816358272375992320000 |
22 | 734112975329750016000000 |