n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 0 |
6 | 1 |
7 | 18 |
8 | 62 |
9 | 75 |
10 | 30 |
11 | 0 |
12 | 6 |
13 | 387 |
14 | 6320 |
15 | 41350 |
16 | 135792 |
17 | 246540 |
18 | 252000 |
19 | 136080 |
20 | 30240 |
21 | 0 |
22 | 28 |
23 | 17070 |
24 | 1347200 |
25 | 34546670 |
26 | 418081188 |
27 | 2854567996 |
28 | 12121240320 |
29 | 33824042280 |
30 | 63815598000 |
31 | 82021428720 |
32 | 70832361600 |
33 | 39351312000 |
34 | 12713500800 |
35 | 1816214400 |
[0,0,0,1,0,1,18,62,75,30,0,6,387,6320,41350, 135792,246540,252000,136080,30240,0,28,17070, 1347200,34546670,418081188,2854567996,12121240320, 33824042280,63815598000,82021428720,70832361600, 39351312000,12713500800,1816214400] |