n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 126 |
6 | 0 |
7 | 1 |
8 | 3003 |
9 | 126126 |
10 | 0 |
11 | 1 |
12 | 107882 |
13 | 23279256 |
14 | 488864376 |
15 | 0 |
16 | 1 |
17 | 3321890 |
18 | 5319906900 |
19 | 412275623760 |
20 | 5194672859376 |
21 | 0 |
22 | 1 |
23 | 107746281 |
24 | 1394769716340 |
25 | 369277150181940 |
26 | 14687937509885640 |
27 | 123378675083039376 |
[1,0,1,0,1,126,0,1,3003,126126,0,1,107882, 23279256,488864376,0,1,3321890,5319906900, 412275623760,5194672859376,0,1,107746281, 1394769716340,369277150181940,14687937509885640, 123378675083039376] |