n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | 0 |
19 | 0 |
20 | 0 |
21 | 0 |
22 | 0 |
23 | 0 |
24 | 0 |
25 | 0 |
26 | 0 |
27 | 0 |
28 | 0 |
29 | 0 |
30 | 0 |
31 | 0 |
32 | 0 |
33 | 3 |
34 | 12 |
35 | 50 |
36 | 150 |
37 | 458 |
38 | 1231 |
39 | 3317 |
40 | 8448 |
41 | 21476 |
42 | 53192 |
43 | 131452 |
44 | 320830 |
45 | 781149 |
46 | 1888473 |
47 | 4550849 |
48 | 10905330 |
49 | 26019761 |
50 | 61732274 |
51 | 145678353 |
52 | 341691746 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,3,12,50,150,458,1231,3317,8448, 21476,53192,131452,320830,781149,1888473,4550849, 10905330,26019761,61732274,145678353,341691746] |