n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 9 |
4 | 112 |
5 | 1004 |
6 | 6404 |
7 | 32890 |
8 | 137528 |
9 | 499641 |
10 | 1579113 |
11 | 4551268 |
12 | 11861187 |
13 | 29034355 |
14 | 65777365 |
15 | 142805210 |
16 | 291148080 |
17 | 576393509 |
18 | 1082580072 |
19 | 1993354411 |
20 | 3505999065 |
21 | 6088877416 |
22 | 10148269838 |
23 | 16796812567 |
24 | 26776385524 |
25 | 42563703291 |
[0,0,9,112,1004,6404,32890,137528,499641,1579113, 4551268,11861187,29034355,65777365,142805210, 291148080,576393509,1082580072,1993354411, 3505999065,6088877416,10148269838,16796812567, 26776385524,42563703291] |