n | a(n) |
---|---|
2 | 1 |
3 | 0 |
4 | 2 |
5 | 4 |
6 | 3 |
7 | 16 |
8 | 19 |
9 | 40 |
10 | 95 |
11 | 136 |
12 | 321 |
13 | 588 |
14 | 1057 |
15 | 2240 |
16 | 3998 |
17 | 7848 |
18 | 15339 |
19 | 28464 |
20 | 56143 |
21 | 106788 |
22 | 204083 |
23 | 396704 |
24 | 755052 |
25 | 1457456 |
26 | 2806531 |
27 | 5377112 |
28 | 10382243 |
29 | 19947252 |
30 | 38382957 |
31 | 73996576 |
32 | 142311198 |
33 | 274283168 |
34 | 528438319 |
35 | 1017784016 |
36 | 1962451118 |
37 | 3781912684 |
[1,0,2,4,3,16,19,40,95,136,321,588,1057,2240,3998, 7848,15339,28464,56143,106788,204083,396704, 755052,1457456,2806531,5377112,10382243,19947252, 38382957,73996576,142311198,274283168,528438319, 1017784016,1962451118,3781912684] |