n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 4 |
7 | 5 |
8 | 11 |
9 | 18 |
10 | 36 |
11 | 63 |
12 | 117 |
13 | 220 |
14 | 407 |
15 | 760 |
16 | 1435 |
17 | 2682 |
18 | 5074 |
19 | 9683 |
20 | 18392 |
21 | 35113 |
22 | 67054 |
23 | 128503 |
24 | 246433 |
25 | 473717 |
26 | 911310 |
27 | 1756933 |
28 | 3390711 |
29 | 6551833 |
30 | 12673497 |
31 | 24546404 |
32 | 47584981 |
33 | 92331321 |
34 | 179315178 |
35 | 348550417 |
36 | 678028865 |
37 | 1319937828 |
38 | 2571418193 |
[1,0,1,1,2,4,5,11,18,36,63,117,220,407,760,1435, 2682,5074,9683,18392,35113,67054,128503,246433, 473717,911310,1756933,3390711,6551833,12673497, 24546404,47584981,92331321,179315178,348550417, 678028865,1319937828,2571418193] |