n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 0 |
7 | 2 |
8 | 1 |
9 | 3 |
10 | 3 |
11 | 6 |
12 | 5 |
13 | 13 |
14 | 12 |
15 | 28 |
16 | 25 |
17 | 58 |
18 | 53 |
19 | 118 |
20 | 115 |
21 | 243 |
22 | 236 |
23 | 505 |
24 | 480 |
25 | 1027 |
26 | 1002 |
27 | 2068 |
28 | 2043 |
29 | 4217 |
30 | 4127 |
31 | 8509 |
32 | 8414 |
33 | 17092 |
34 | 16996 |
35 | 34528 |
36 | 34157 |
37 | 69377 |
38 | 69010 |
39 | 139087 |
40 | 138726 |
41 | 279576 |
42 | 278123 |
43 | 560558 |
44 | 559085 |
45 | 1122538 |
46 | 1121029 |
47 | 2250783 |
48 | 2244899 |
49 | 4507272 |
[0,0,0,0,1,0,2,1,3,3,6,5,13,12,28,25,58,53,118, 115,243,236,505,480,1027,1002,2068,2043,4217,4127, 8509,8414,17092,16996,34528,34157,69377,69010, 139087,138726,279576,278123,560558,559085,1122538, 1121029,2250783,2244899,4507272] |