n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 3 |
4 | 32 |
5 | 75 |
6 | 216 |
7 | 3577 |
8 | 5888 |
9 | 15741 |
10 | 106300 |
11 | 13486539 |
12 | 9903168 |
13 | 56280729661 |
14 | 710986864 |
15 | 265553865 |
16 | 127626606592 |
17 | 450185515446285 |
18 | 1848730221900 |
19 | 603652082270808125 |
20 | 187926090380000 |
21 | 9545933933230947 |
[1,4,3,32,75,216,3577,5888,15741,106300,13486539, 9903168,56280729661,710986864,265553865, 127626606592,450185515446285,1848730221900, 603652082270808125,187926090380000, 9545933933230947] |