A028384 - OEIS

A028384 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	4324
12	12972
13	0
14	0
15	178365
16	356730
17	0
18	0
19	1664740
20	2330636
21	0
22	0
23	3840840
24	3840840
25	0
26	0
27	2330636
28	1664740
29	0
30	0
31	356730
32	178365
33	0
34	0
35	12972
36	4324
37	0
38	0
39	0
40	0
41	0
42	0
43	0
44	0
45	0
46	0
47	1

[1,0,0,0,0,0,0,0,0,0,0,4324,12972,0,0,178365, 356730,0,0,1664740,2330636,0,0,3840840,3840840,0, 0,2330636,1664740,0,0,356730,178365,0,0,12972, 4324,0,0,0,0,0,0,0,0,0,0,1]