n | a(n) |
---|---|
0 | 0 |
1 | 1 |
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 | 63 |
15 | 119 |
16 | 210 |
17 | 336 |
18 | 462 |
19 | 462 |
20 | 0 |
21 | 0 |
22 | 0 |
23 | 1 |
24 | 6 |
25 | 25 |
26 | 90 |
27 | 301 |
28 | 966 |
29 | 2989 |
30 | 8925 |
31 | 25641 |
32 | 70455 |
33 | 183183 |
34 | 441441 |
35 | 966966 |
36 | 1849848 |
37 | 2858856 |
38 | 2858856 |
39 | 0 |
40 | 0 |
41 | 0 |
42 | 0 |
43 | 1 |
44 | 10 |
45 | 65 |
46 | 350 |
47 | 1701 |
48 | 7770 |
49 | 33985 |
50 | 143605 |
51 | 588511 |
[0,1,1,1,1,1,1,0,0,1,3,7,15,31,63,119,210,336,462, 462,0,0,0,1,6,25,90,301,966,2989,8925,25641,70455, 183183,441441,966966,1849848,2858856,2858856,0,0, 0,0,1,10,65,350,1701,7770,33985,143605,588511] |