n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 1 |
6 | 38 |
7 | 57 |
8 | 27 |
9 | 7 |
10 | 13872 |
11 | 18544 |
12 | 9280 |
13 | 2080 |
14 | 192 |
15 | 83360520 |
16 | 104208775 |
17 | 52110500 |
18 | 13035000 |
19 | 1632750 |
20 | 82355 |
[1,0,1,1,2,1,38,57,27,7,13872,18544,9280,2080,192, 83360520,104208775,52110500,13035000,1632750, 82355] |