n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 5 |
3 | 0 |
4 | 15 |
5 | 1 |
6 | 35 |
7 | 5 |
8 | 69 |
9 | 15 |
10 | 121 |
11 | 35 |
12 | 195 |
13 | 69 |
14 | 295 |
15 | 121 |
16 | 425 |
17 | 195 |
18 | 589 |
19 | 295 |
20 | 791 |
21 | 425 |
22 | 1035 |
23 | 589 |
24 | 1325 |
25 | 791 |
26 | 1665 |
27 | 1035 |
28 | 2059 |
29 | 1325 |
30 | 2511 |
31 | 1665 |
32 | 3025 |
33 | 2059 |
34 | 3605 |
35 | 2511 |
36 | 4255 |
37 | 3025 |
38 | 4979 |
39 | 3605 |
40 | 5781 |
41 | 4255 |
42 | 6665 |
43 | 4979 |
44 | 7635 |
45 | 5781 |
46 | 8695 |
47 | 6665 |
48 | 9849 |
49 | 7635 |
50 | 11101 |
51 | 8695 |
52 | 12455 |
53 | 9849 |
54 | 13915 |
[1,0,5,0,15,1,35,5,69,15,121,35,195,69,295,121, 425,195,589,295,791,425,1035,589,1325,791,1665, 1035,2059,1325,2511,1665,3025,2059,3605,2511,4255, 3025,4979,3605,5781,4255,6665,4979,7635,5781,8695, 6665,9849,7635,11101,8695,12455,9849,13915] |