n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 75 |
4 | 375 |
5 | 1875 |
6 | 9375 |
7 | 46875 |
8 | 234375 |
9 | 1171875 |
10 | 5859375 |
11 | 29296875 |
12 | 146484375 |
13 | 732421875 |
14 | 3662109375 |
15 | 18310546875 |
16 | 91552734375 |
17 | 457763671875 |
18 | 2288818359375 |
19 | 11444091796875 |
20 | 57220458984375 |
[1,3,15,75,375,1875,9375,46875,234375,1171875, 5859375,29296875,146484375,732421875,3662109375, 18310546875,91552734375,457763671875, 2288818359375,11444091796875,57220458984375] |