n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 5 |
8 | 19 |
9 | 61 |
10 | 175 |
11 | 469 |
12 | 1199 |
13 | 2961 |
14 | 7121 |
15 | 16784 |
16 | 38880 |
17 | 88832 |
18 | 200494 |
19 | 447897 |
20 | 991350 |
21 | 2176646 |
22 | 4744087 |
23 | 10272514 |
24 | 22109412 |
25 | 47325774 |
26 | 100786897 |
27 | 213634174 |
28 | 450844166 |
29 | 947545289 |
30 | 1983774852 |
31 | 4138099947 |
[0,0,0,0,0,0,1,5,19,61,175,469,1199,2961,7121, 16784,38880,88832,200494,447897,991350,2176646, 4744087,10272514,22109412,47325774,100786897, 213634174,450844166,947545289,1983774852, 4138099947] |