n | a(n) |
---|---|
5 | 1 |
6 | 5 |
7 | 30 |
8 | 175 |
9 | 1120 |
10 | 7686 |
11 | 56910 |
12 | 452760 |
13 | 3858525 |
14 | 35101495 |
15 | 339725386 |
16 | 3487023540 |
17 | 37846867240 |
18 | 433186049100 |
19 | 5215583431800 |
20 | 65904645333720 |
21 | 872154648378075 |
22 | 12063864339947700 |
23 | 174104719888432025 |
24 | 2617216790440934220 |
25 | 40916672402313971340 |
[1,5,30,175,1120,7686,56910,452760,3858525, 35101495,339725386,3487023540,37846867240, 433186049100,5215583431800,65904645333720, 872154648378075,12063864339947700, 174104719888432025,2617216790440934220, 40916672402313971340] |