n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 65 |
4 | 325 |
5 | 1575 |
6 | 7875 |
7 | 39125 |
8 | 195625 |
9 | 976875 |
10 | 4884375 |
11 | 24415625 |
12 | 122078125 |
13 | 610359375 |
14 | 3051796875 |
15 | 15258828125 |
16 | 76294140625 |
17 | 381469921875 |
18 | 1907349609375 |
19 | 9536744140625 |
20 | 47683720703125 |
[1,3,15,65,325,1575,7875,39125,195625,976875, 4884375,24415625,122078125,610359375,3051796875, 15258828125,76294140625,381469921875, 1907349609375,9536744140625,47683720703125] |