n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 4 |
5 | 0 |
6 | 16 |
7 | 0 |
8 | 49 |
9 | 0 |
10 | 169 |
11 | 0 |
12 | 576 |
13 | 0 |
14 | 1936 |
15 | 0 |
16 | 6561 |
17 | 0 |
18 | 22201 |
19 | 0 |
20 | 75076 |
21 | 0 |
22 | 254016 |
23 | 0 |
24 | 859329 |
25 | 0 |
26 | 2907025 |
27 | 0 |
28 | 9834496 |
29 | 0 |
30 | 33269824 |
31 | 0 |
32 | 112550881 |
33 | 0 |
34 | 380757169 |
35 | 0 |
36 | 1288092100 |
37 | 0 |
38 | 4357584144 |
39 | 0 |
40 | 14741602225 |
[1,0,1,0,4,0,16,0,49,0,169,0,576,0,1936,0,6561,0, 22201,0,75076,0,254016,0,859329,0,2907025,0, 9834496,0,33269824,0,112550881,0,380757169,0, 1288092100,0,4357584144,0,14741602225] |