n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 3 |
3 | 7 |
4 | 0 |
5 | 21 |
6 | 0 |
7 | 93 |
8 | 217 |
9 | 381 |
10 | 651 |
11 | 0 |
12 | 2667 |
13 | 8191 |
14 | 11811 |
15 | 24573 |
16 | 57337 |
17 | 82677 |
18 | 172011 |
19 | 393213 |
20 | 761763 |
21 | 1572861 |
22 | 2752491 |
23 | 5332341 |
24 | 11010027 |
25 | 21845397 |
26 | 48758691 |
27 | 85327221 |
28 | 199753347 |
29 | 341310837 |
30 | 677207307 |
31 | 1398273429 |
32 | 3220807683 |
33 | 6192353757 |
34 | 10836557067 |
[1,0,3,7,0,21,0,93,217,381,651,0,2667,8191,11811, 24573,57337,82677,172011,393213,761763,1572861, 2752491,5332341,11010027,21845397,48758691, 85327221,199753347,341310837,677207307,1398273429, 3220807683,6192353757,10836557067] |