n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 9 |
4 | 17 |
5 | 49 |
6 | 153 |
7 | 281 |
8 | 665 |
9 | 1433 |
10 | 3225 |
11 | 7705 |
12 | 17945 |
13 | 47641 |
14 | 64025 |
15 | 129561 |
16 | 293401 |
17 | 752153 |
18 | 1341977 |
19 | 2914841 |
20 | 6421017 |
21 | 14547481 |
22 | 33421849 |
23 | 71170585 |
24 | 138279449 |
25 | 247331353 |
26 | 645790233 |
27 | 1182661145 |
28 | 2558392857 |
29 | 5779618329 |
30 | 11685198361 |
31 | 23496358425 |
[0,1,3,9,17,49,153,281,665,1433,3225,7705,17945, 47641,64025,129561,293401,752153,1341977,2914841, 6421017,14547481,33421849,71170585,138279449, 247331353,645790233,1182661145,2558392857, 5779618329,11685198361,23496358425] |