n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 0 |
8 | 0 |
9 | 1 |
10 | 3 |
11 | 7 |
12 | 15 |
13 | 31 |
14 | 56 |
15 | 91 |
16 | 126 |
17 | 126 |
18 | 0 |
19 | 0 |
20 | 0 |
21 | 1 |
22 | 6 |
23 | 25 |
24 | 90 |
25 | 301 |
26 | 938 |
27 | 2737 |
28 | 7455 |
29 | 18711 |
30 | 41811 |
31 | 81081 |
32 | 126126 |
33 | 126126 |
34 | 0 |
35 | 0 |
36 | 0 |
37 | 0 |
38 | 1 |
39 | 10 |
40 | 65 |
41 | 350 |
42 | 1701 |
43 | 7686 |
44 | 32725 |
45 | 132055 |
46 | 505351 |
47 | 1824823 |
48 | 6173167 |
49 | 19339320 |
50 | 55096041 |
[1,0,1,1,1,1,1,0,0,1,3,7,15,31,56,91,126,126,0,0, 0,1,6,25,90,301,938,2737,7455,18711,41811,81081, 126126,126126,0,0,0,0,1,10,65,350,1701,7686,32725, 132055,505351,1824823,6173167,19339320,55096041] |