n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 4 |
8 | 8 |
9 | 17 |
10 | 38 |
11 | 89 |
12 | 219 |
13 | 567 |
14 | 1543 |
15 | 4400 |
16 | 13094 |
17 | 40507 |
18 | 129874 |
19 | 430731 |
20 | 1476030 |
21 | 5222544 |
22 | 19066758 |
23 | 71764369 |
24 | 278166767 |
25 | 1108986222 |
26 | 4541765652 |
27 | 19085377108 |
28 | 82211094414 |
29 | 362717859475 |
30 | 1638071537802 |
31 | 7567876937002 |
32 | 35748311794246 |
33 | 172558399424154 |
[1,0,0,1,1,1,2,4,8,17,38,89,219,567,1543,4400, 13094,40507,129874,430731,1476030,5222544, 19066758,71764369,278166767,1108986222,4541765652, 19085377108,82211094414,362717859475, 1638071537802,7567876937002,35748311794246, 172558399424154] |