n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 4 |
5 | 7 |
6 | 18 |
7 | 37 |
8 | 76 |
9 | 149 |
10 | 293 |
11 | 575 |
12 | 1106 |
13 | 2162 |
14 | 4161 |
15 | 8068 |
16 | 15604 |
17 | 30181 |
18 | 58449 |
19 | 113179 |
20 | 219587 |
21 | 425951 |
22 | 827393 |
23 | 1608250 |
24 | 3128647 |
25 | 6090677 |
26 | 11867571 |
27 | 23139485 |
28 | 45148817 |
29 | 88155104 |
30 | 172231561 |
31 | 336713062 |
32 | 658655523 |
33 | 1289140675 |
34 | 2524520079 |
35 | 4946303842 |
[0,0,0,1,4,7,18,37,76,149,293,575,1106,2162,4161, 8068,15604,30181,58449,113179,219587,425951, 827393,1608250,3128647,6090677,11867571,23139485, 45148817,88155104,172231561,336713062,658655523, 1289140675,2524520079,4946303842] |