n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 0 |
5 | 4 |
6 | 4 |
7 | 8 |
8 | 12 |
9 | 28 |
10 | 44 |
11 | 84 |
12 | 156 |
13 | 288 |
14 | 540 |
15 | 1020 |
16 | 1904 |
17 | 3616 |
18 | 6860 |
19 | 13024 |
20 | 24836 |
21 | 47448 |
22 | 90772 |
23 | 174072 |
24 | 334348 |
25 | 643112 |
26 | 1238928 |
27 | 2389956 |
28 | 4615916 |
29 | 8925808 |
30 | 17278680 |
31 | 33482196 |
32 | 64944060 |
33 | 126083448 |
34 | 244989096 |
35 | 476416560 |
36 | 927167752 |
37 | 1805691728 |
38 | 3519062820 |
[1,0,2,0,4,4,8,12,28,44,84,156,288,540,1020,1904, 3616,6860,13024,24836,47448,90772,174072,334348, 643112,1238928,2389956,4615916,8925808,17278680, 33482196,64944060,126083448,244989096,476416560, 927167752,1805691728,3519062820] |