n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 2 |
6 | 14 |
7 | 12 |
8 | 56 |
9 | 54 |
10 | 230 |
11 | 220 |
12 | 870 |
13 | 860 |
14 | 3348 |
15 | 3302 |
16 | 12672 |
17 | 12614 |
18 | 48280 |
19 | 48108 |
20 | 183990 |
21 | 183720 |
22 | 704156 |
23 | 703384 |
24 | 2701128 |
25 | 2700058 |
26 | 10395580 |
27 | 10392354 |
28 | 40104974 |
29 | 40100216 |
30 | 155097460 |
31 | 155084752 |
32 | 601034752 |
33 | 601014634 |
34 | 2333527814 |
[0,0,0,0,2,2,14,12,56,54,230,220,870,860,3348, 3302,12672,12614,48280,48108,183990,183720,704156, 703384,2701128,2700058,10395580,10392354,40104974, 40100216,155097460,155084752,601034752,601014634, 2333527814] |