n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 25 |
3 | 125 |
4 | 625 |
5 | 3125 |
6 | 15625 |
7 | 78125 |
8 | -1 |
9 | 1953125 |
10 | -1 |
11 | -1 |
12 | -1 |
13 | -1 |
14 | -1 |
15 | -1 |
16 | -1 |
17 | -1 |
18 | 3814697265625 |
19 | -1 |
20 | -1 |
21 | -1 |
22 | -1 |
23 | -1 |
24 | -1 |
25 | -1 |
26 | -1 |
27 | -1 |
28 | -1 |
29 | -1 |
30 | -1 |
31 | -1 |
32 | -1 |
33 | 116415321826934814453125 |
34 | -1 |
35 | -1 |
36 | -1 |
37 | -1 |
38 | -1 |
39 | -1 |
40 | -1 |
41 | -1 |
42 | -1 |
43 | -1 |
44 | -1 |
45 | -1 |
46 | -1 |
47 | -1 |
48 | -1 |
49 | -1 |
50 | -1 |
51 | -1 |
52 | -1 |
53 | -1 |
54 | -1 |
55 | -1 |
56 | -1 |
57 | -1 |
58 | -1 |
59 | -1 |
60 | -1 |
61 | -1 |
62 | -1 |
63 | -1 |
64 | -1 |
65 | -1 |
66 | -1 |
67 | -1 |
68 | -1 |
[1,5,25,125,625,3125,15625,78125,-1,1953125,-1,-1, -1,-1,-1,-1,-1,-1,3814697265625,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,116415321826934814453125, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1] |