n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 2 |
17 | 34 |
18 | 4 |
19 | 112 |
20 | 516 |
21 | 7312 |
22 | 81324 |
23 | 1056560 |
24 | 13443944 |
25 | 171919446 |
26 | 2195838076 |
27 | 28876216900 |
28 | 379982087060 |
[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,34,4,112,516, 7312,81324,1056560,13443944,171919446,2195838076, 28876216900,379982087060] |