n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 1 |
5 | 5 |
6 | 4 |
7 | 16 |
8 | 13 |
9 | 54 |
10 | 46 |
11 | 186 |
12 | 167 |
13 | 660 |
14 | 612 |
15 | 2384 |
16 | 2267 |
17 | 8726 |
18 | 8464 |
19 | 32278 |
20 | 31822 |
21 | 120419 |
22 | 120338 |
23 | 452420 |
24 | 457320 |
25 | 1709845 |
26 | 1745438 |
27 | 6494848 |
28 | 6686929 |
29 | 24779026 |
30 | 25703792 |
31 | 94899470 |
32 | 99096382 |
33 | 364680344 |
[1,0,2,1,5,4,16,13,54,46,186,167,660,612,2384, 2267,8726,8464,32278,31822,120419,120338,452420, 457320,1709845,1745438,6494848,6686929,24779026, 25703792,94899470,99096382,364680344] |