n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 7 |
8 | 92 |
9 | 1152 |
10 | 9087 |
11 | 44525 |
12 | 149501 |
13 | 382787 |
14 | 893920 |
15 | 2164458 |
16 | 6927881 |
17 | 49712828 |
18 | 546657345 |
19 | 5768069656 |
20 | 51400505702 |
[1,0,0,0,0,1,7,92,1152,9087,44525,149501,382787, 893920,2164458,6927881,49712828,546657345, 5768069656,51400505702] |