n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 2 |
8 | 6 |
9 | 8 |
10 | 18 |
11 | 30 |
12 | 67 |
13 | 127 |
14 | 275 |
15 | 551 |
16 | 1192 |
17 | 2507 |
18 | 5475 |
19 | 11820 |
20 | 26007 |
21 | 57077 |
22 | 126686 |
23 | 281625 |
24 | 630660 |
25 | 1416116 |
26 | 3195784 |
27 | 7232624 |
28 | 16430563 |
29 | 37429146 |
30 | 85528079 |
31 | 195940960 |
32 | 450074270 |
33 | 1036226173 |
34 | 2391193488 |
35 | 5529420585 |
[0,0,1,0,1,1,2,2,6,8,18,30,67,127,275,551,1192, 2507,5475,11820,26007,57077,126686,281625,630660, 1416116,3195784,7232624,16430563,37429146, 85528079,195940960,450074270,1036226173, 2391193488,5529420585] |