n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 0 |
8 | 4 |
9 | 3 |
10 | 15 |
11 | 9 |
12 | 47 |
13 | 73 |
14 | 236 |
15 | 251 |
16 | 863 |
17 | 1180 |
18 | 3298 |
19 | 4284 |
20 | 12933 |
21 | 18598 |
22 | 51300 |
23 | 73371 |
24 | 199410 |
25 | 292156 |
26 | 769127 |
27 | 1131645 |
28 | 2978179 |
29 | 4533090 |
30 | 11590386 |
31 | 17623347 |
32 | 44867556 |
33 | 69537472 |
[0,0,0,0,0,1,0,4,3,15,9,47,73,236,251,863,1180, 3298,4284,12933,18598,51300,73371,199410,292156, 769127,1131645,2978179,4533090,11590386,17623347, 44867556,69537472] |