n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 4 |
8 | 11 |
9 | 35 |
10 | 101 |
11 | 290 |
12 | 804 |
13 | 2256 |
14 | 6296 |
15 | 17689 |
16 | 49952 |
17 | 142016 |
18 | 406330 |
19 | 1170272 |
20 | 3390932 |
21 | 9882412 |
22 | 28955403 |
23 | 85261439 |
24 | 252213192 |
25 | 749250700 |
26 | 2234562027 |
27 | 6688670232 |
28 | 20088920730 |
29 | 60525912003 |
30 | 182895125096 |
31 | 554186425193 |
32 | 1683554604984 |
33 | 5126814324715 |
34 | 15647846830627 |
35 | 47862034920652 |
36 | 146691540312878 |
[0,0,0,0,0,0,4,11,35,101,290,804,2256,6296,17689, 49952,142016,406330,1170272,3390932,9882412, 28955403,85261439,252213192,749250700,2234562027, 6688670232,20088920730,60525912003,182895125096, 554186425193,1683554604984,5126814324715, 15647846830627,47862034920652,146691540312878] |