n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 0 |
6 | 1 |
7 | 1 |
8 | 2 |
9 | 1 |
10 | 6 |
11 | 5 |
12 | 13 |
13 | 14 |
14 | 37 |
15 | 44 |
16 | 101 |
17 | 134 |
18 | 298 |
19 | 431 |
20 | 883 |
21 | 1361 |
22 | 2736 |
23 | 4405 |
24 | 8574 |
25 | 14334 |
26 | 27465 |
27 | 47146 |
28 | 89270 |
29 | 156360 |
30 | 293840 |
31 | 522913 |
32 | 978447 |
33 | 1761907 |
34 | 3288605 |
35 | 5977863 |
36 | 11148652 |
37 | 20414058 |
38 | 38071898 |
39 | 70125402 |
40 | 130880047 |
[0,0,0,0,1,0,1,1,2,1,6,5,13,14,37,44,101,134,298, 431,883,1361,2736,4405,8574,14334,27465,47146, 89270,156360,293840,522913,978447,1761907,3288605, 5977863,11148652,20414058,38071898,70125402, 130880047] |