n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 25 |
3 | 73 |
4 | 193 |
5 | 481 |
6 | 1153 |
7 | 2689 |
8 | 6145 |
9 | 13825 |
10 | 30721 |
11 | 67585 |
12 | 147457 |
13 | 319489 |
14 | 688129 |
15 | 1474561 |
16 | 3145729 |
17 | 6684673 |
18 | 14155777 |
19 | 29884417 |
20 | 62914561 |
21 | 132120577 |
22 | 276824065 |
23 | 578813953 |
24 | 1207959553 |
25 | 2516582401 |
26 | 5234491393 |
27 | 10871635969 |
28 | 22548578305 |
29 | 46707769345 |
[1,7,25,73,193,481,1153,2689,6145,13825,30721, 67585,147457,319489,688129,1474561,3145729, 6684673,14155777,29884417,62914561,132120577, 276824065,578813953,1207959553,2516582401, 5234491393,10871635969,22548578305,46707769345] |