n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 3 |
4 | 0 |
5 | 0 |
6 | 15 |
7 | 0 |
8 | 8 |
9 | 84 |
10 | 0 |
11 | 110 |
12 | 495 |
13 | 0 |
14 | 1092 |
15 | 3018 |
16 | 120 |
17 | 9520 |
18 | 18870 |
19 | 2907 |
20 | 77520 |
21 | 120270 |
22 | 43890 |
23 | 606188 |
24 | 780023 |
25 | 531300 |
26 | 4620200 |
27 | 5161377 |
28 | 5651100 |
29 | 34622172 |
30 | 35045340 |
31 | 55234560 |
32 | 256503672 |
33 | 245772464 |
34 | 508930224 |
35 | 1886151225 |
36 | 1788167610 |
37 | 4491607230 |
[1,0,0,3,0,0,15,0,8,84,0,110,495,0,1092,3018,120, 9520,18870,2907,77520,120270,43890,606188,780023, 531300,4620200,5161377,5651100,34622172,35045340, 55234560,256503672,245772464,508930224,1886151225, 1788167610,4491607230] |