n | a(n) |
---|---|
3 | 0 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 2 |
8 | 3 |
9 | 7 |
10 | 10 |
11 | 16 |
12 | 25 |
13 | 50 |
14 | 86 |
15 | 150 |
16 | 256 |
17 | 436 |
18 | 783 |
19 | 1435 |
20 | 2631 |
21 | 4765 |
22 | 8766 |
23 | 16320 |
24 | 30601 |
25 | 57719 |
26 | 109504 |
27 | 208822 |
28 | 400643 |
29 | 771735 |
30 | 1494772 |
31 | 2903761 |
32 | 5658670 |
33 | 11059937 |
34 | 21696205 |
35 | 42670184 |
36 | 84144873 |
37 | 66369603 |
38 | 329733896 |
39 | 655014986 |
40 | 1303918824 |
41 | 2601139051 |
[0,1,1,2,2,3,7,10,16,25,50,86,150,256,436,783, 1435,2631,4765,8766,16320,30601,57719,109504, 208822,400643,771735,1494772,2903761,5658670, 11059937,21696205,42670184,84144873,66369603, 329733896,655014986,1303918824,2601139051] |