n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 0 |
4 | 7 |
5 | 5 |
6 | 70 |
7 | 134 |
8 | 941 |
9 | 3028 |
10 | 15282 |
11 | 61027 |
12 | 280811 |
13 | 1187923 |
14 | 5303521 |
15 | 22943452 |
16 | 101114860 |
17 | 441038127 |
18 | 1935534442 |
19 | 8463178648 |
20 | 37089811087 |
21 | 162324439320 |
22 | 710991188343 |
23 | 3112728941836 |
24 | 13631342586150 |
25 | 59684847239430 |
[0,3,0,7,5,70,134,941,3028,15282,61027,280811, 1187923,5303521,22943452,101114860,441038127, 1935534442,8463178648,37089811087,162324439320, 710991188343,3112728941836,13631342586150, 59684847239430] |