n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 2 |
6 | 2 |
7 | 2 |
8 | 8 |
9 | 14 |
10 | 20 |
11 | 26 |
12 | 52 |
13 | 98 |
14 | 164 |
15 | 250 |
16 | 426 |
17 | 762 |
18 | 1328 |
19 | 2194 |
20 | 3682 |
21 | 6366 |
22 | 11072 |
23 | 18878 |
24 | 32038 |
25 | 54906 |
26 | 94860 |
27 | 163226 |
28 | 279634 |
29 | 479806 |
30 | 826776 |
31 | 1425542 |
32 | 2454020 |
33 | 4223170 |
34 | 7279164 |
35 | 12560466 |
36 | 21671314 |
37 | 37381714 |
38 | 64512676 |
39 | 111414042 |
[1,0,0,0,2,2,2,2,8,14,20,26,52,98,164,250,426,762, 1328,2194,3682,6366,11072,18878,32038,54906,94860, 163226,279634,479806,826776,1425542,2454020, 4223170,7279164,12560466,21671314,37381714, 64512676,111414042] |