A097824 - OEIS

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A097824 as a simple table

n	a(n)
4	12
5	12
6	4
7	52
8	52
9	72
10	96
11	198
12	198
13	114
14	594
15	48
16	354
17	1860
18	3942
19	2574
20	2574
21	2574
22	20910
23	20910
24	9600
25	9600
26	152250
27	152250
28	152250
29	152250
30	1887270
31	4667040
32	4094790

[12,12,4,52,52,72,96,198,198,114,594,48,354,1860, 3942,2574,2574,2574,20910,20910,9600,9600,152250, 152250,152250,152250,1887270,4667040,4094790]