n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 0 |
6 | 1 |
7 | 3 |
8 | 3 |
9 | 1 |
10 | 1 |
11 | 6 |
12 | 15 |
13 | 20 |
14 | 15 |
15 | 1 |
16 | 10 |
17 | 45 |
18 | 120 |
19 | 210 |
20 | 222 |
21 | 1 |
22 | 15 |
23 | 105 |
24 | 455 |
25 | 1365 |
26 | 2913 |
27 | 3670 |
28 | 1 |
29 | 21 |
30 | 210 |
31 | 1330 |
32 | 5985 |
33 | 20139 |
34 | 49294 |
35 | 68820 |
36 | 1 |
37 | 28 |
38 | 378 |
39 | 3276 |
40 | 20475 |
41 | 97860 |
42 | 362670 |
43 | 976560 |
44 | 1456875 |
45 | 1 |
46 | 36 |
47 | 630 |
48 | 7140 |
49 | 58905 |
50 | 376236 |
51 | 1914276 |
52 | 7663500 |
53 | 22089870 |
54 | 34506640 |
[1,1,0,1,1,0,1,3,3,1,1,6,15,20,15,1,10,45,120,210, 222,1,15,105,455,1365,2913,3670,1,21,210,1330, 5985,20139,49294,68820,1,28,378,3276,20475,97860, 362670,976560,1456875,1,36,630,7140,58905,376236, 1914276,7663500,22089870,34506640] |