n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 20 |
6 | 1 |
7 | 15 |
8 | 264 |
9 | 264 |
10 | 15 |
11 | 90 |
12 | 2550 |
13 | 9354 |
14 | 2550 |
15 | 90 |
16 | 357 |
17 | 22267 |
18 | 201539 |
19 | 201539 |
20 | 22267 |
21 | 357 |
22 | 1107 |
23 | 166762 |
24 | 3576730 |
25 | 11454780 |
26 | 3576730 |
27 | 166762 |
28 | 1107 |
29 | 2907 |
30 | 1046418 |
31 | 58069125 |
32 | 514122657 |
33 | 514122657 |
34 | 58069125 |
35 | 1046418 |
36 | 2907 |
37 | 6765 |
38 | 5586207 |
[0,0,0,1,20,1,15,264,264,15,90,2550,9354,2550,90, 357,22267,201539,201539,22267,357,1107,166762, 3576730,11454780,3576730,166762,1107,2907,1046418, 58069125,514122657,514122657,58069125,1046418, 2907,6765,5586207] |