n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 5 |
7 | 8 |
8 | 21 |
9 | 41 |
10 | 91 |
11 | 199 |
12 | 403 |
13 | 873 |
14 | 1767 |
15 | 3740 |
16 | 7709 |
17 | 15910 |
18 | 32759 |
19 | 67185 |
20 | 138063 |
21 | 281566 |
22 | 576165 |
23 | 1173435 |
24 | 2390366 |
25 | 4860357 |
26 | 9873071 |
27 | 20033969 |
28 | 40612221 |
29 | 82266433 |
30 | 166483857 |
31 | 336713632 |
32 | 680482316 |
33 | 1374413154 |
34 | 2774347425 |
[0,0,0,0,1,1,5,8,21,41,91,199,403,873,1767,3740, 7709,15910,32759,67185,138063,281566,576165, 1173435,2390366,4860357,9873071,20033969,40612221, 82266433,166483857,336713632,680482316,1374413154, 2774347425] |