n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 2 |
5 | 1 |
6 | 5 |
7 | 5 |
8 | 14 |
9 | 19 |
10 | 42 |
11 | 66 |
12 | 131 |
13 | 221 |
14 | 417 |
15 | 728 |
16 | 1341 |
17 | 2380 |
18 | 4334 |
19 | 7753 |
20 | 14041 |
21 | 25213 |
22 | 45542 |
23 | 81927 |
24 | 147798 |
25 | 266110 |
26 | 479779 |
27 | 864201 |
28 | 1557649 |
29 | 2806272 |
30 | 5057369 |
31 | 9112264 |
32 | 16420730 |
33 | 29587889 |
34 | 53317085 |
35 | 96072133 |
36 | 173118414 |
37 | 311945595 |
38 | 562110290 |
[1,0,1,0,2,1,5,5,14,19,42,66,131,221,417,728,1341, 2380,4334,7753,14041,25213,45542,81927,147798, 266110,479779,864201,1557649,2806272,5057369, 9112264,16420730,29587889,53317085,96072133, 173118414,311945595,562110290] |