n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 1 |
9 | 5 |
10 | 32 |
11 | 385 |
12 | 7574 |
13 | 181227 |
14 | 4624501 |
15 | 122090544 |
16 | 3328929954 |
17 | 93990692595 |
18 | 2754222605376 |
[1,0,0,0,0,0,0,1,1,5,32,385,7574,181227,4624501, 122090544,3328929954,93990692595,2754222605376] |