n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 3 |
6 | 3 |
7 | 10 |
8 | 11 |
9 | 30 |
10 | 48 |
11 | 114 |
12 | 166 |
13 | 486 |
14 | 727 |
15 | 1643 |
16 | 3193 |
17 | 7619 |
18 | 12489 |
19 | 30781 |
20 | 52007 |
21 | 123418 |
22 | 248386 |
23 | 520902 |
24 | 909701 |
25 | 2349536 |
26 | 4417148 |
27 | 9055904 |
28 | 18451951 |
29 | 41215779 |
30 | 77052793 |
31 | 186393151 |
32 | 350380117 |
33 | 769533521 |
[1,0,0,1,1,3,3,10,11,30,48,114,166,486,727,1643, 3193,7619,12489,30781,52007,123418,248386,520902, 909701,2349536,4417148,9055904,18451951,41215779, 77052793,186393151,350380117,769533521] |